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Pyroxene |
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Smyth J R, Ito J |
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American Mineralogist 62 (1977) 1252-1257 |
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The synthesis and crystal structure of a magnesium-lithium-scandium |
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protopyroxene |
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_database_code_amcsd 0000608 |
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9.251 8.773 5.377 90 90 90 Pbcn |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Mg1 0 .0994 .75 .7 .0015 .0022 .0037 0 -.0004 0 |
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Sc1 0 .0994 .75 .3 .0015 .0022 .0037 0 -.0004 0 |
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Mg2 0 .2639 .25 .7 .0027 .0041 .0053 0 -.0005 0 |
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Li2 0 .2639 .25 .3 .0027 .0041 .0053 0 -.0005 0 |
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Si .2935 .0900 .0740 .0011 .0022 .0028 -.0002 .0001 -.0001 |
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O1 .1199 .0908 .0805 .0014 .0016 .0035 -.0002 -.0001 .0000 |
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O2 .3736 .2504 .0710 .0025 .0033 .0042 -.0009 .0003 .0000 |
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O3 .3493 .9831 .3045 .0013 .0032 .0065 .0002 -.0004 .0018 |
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| Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink) |
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Pyroxene |
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Molin G M |
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American Mineralogist 74 (1989) 593-598 |
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Crystal-chemical study of cation disordering in Al-rich and Al-poor |
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orthopyroxenes from spinel lherzolite xenoliths |
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sample Le4A, natural |
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_database_code_amcsd 0001232 |
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18.241 8.804 5.198 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3758 .6540 .8650 .955 0.0083 0.0081 0.0072 .0001 -.0008 .0002 |
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Fe1 .3758 .6540 .8650 .045 0.0083 0.0081 0.0072 .0001 -.0008 .0002 |
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Mg2 .3784 .4831 .3584 .833 0.0116 0.0124 0.0090 -.0018 -.0018 -.0005 |
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Fe2 .3784 .4831 .3584 .167 0.0116 0.0124 0.0090 -.0018 -.0018 -.0005 |
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SiA .2714 .3417 .0472 0.0069 0.0083 0.0072 -.0007 .0004 -.0002 |
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SiB .4735 .3372 .8017 0.0074 0.0083 0.0079 .0003 -.0004 .0004 |
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O1 .1829 .3392 .0352 0.0077 0.0111 0.0098 .0001 .0003 .0004 |
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O2 .3108 .5033 .0425 0.0109 0.0087 0.0107 -.0012 -.0011 .0008 |
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O3 .3026 .2251 .8254 0.0093 0.0134 0.0091 -.0005 .0005 -.0037 |
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O4 .5630 .3381 .8039 0.0078 0.0109 0.0108 .0001 -.0001 .0002 |
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O5 .4333 .4851 .6913 0.0113 0.0117 0.0112 .0011 .0000 .0019 |
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O6 .4470 .1951 .6057 0.0092 0.0129 0.0126 .0002 -.0006 -.0043 |
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| Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink) |
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Pyroxene |
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Molin G M |
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American Mineralogist 74 (1989) 593-598 |
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Crystal-chemical study of cation disordering in Al-rich and Al-poor |
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orthopyroxenes from spinel lherzolite xenoliths |
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sample Le4A, 1050 C, 3 min |
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_database_code_amcsd 0001233 |
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18.244 8.805 5.196 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3758 .6540 .8649 .947 0.0074 0.0084 0.0071 .0000 -.0006 .0002 |
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Fe1 .3758 .6540 .8649 .053 0.0074 0.0084 0.0071 .0000 -.0006 .0002 |
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Mg2 .3784 .4832 .3582 .843 0.0111 0.0133 0.0091 -.0017 -.0020 -.0005 |
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Fe2 .3784 .4832 .3582 .157 0.0111 0.0133 0.0091 -.0017 -.0020 -.0005 |
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SiA .2714 .3417 .0471 0.0065 0.0085 0.0073 -.0004 .0002 .0001 |
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SiB .4735 .3372 .8018 0.0066 0.0090 0.0082 .0002 -.0002 .0002 |
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O1 .1830 .3392 .0347 0.0060 0.0113 0.0111 -.0001 .0003 .0003 |
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O2 .3106 .5032 .0428 0.0099 0.0088 0.0105 -.0011 -.0010 .0009 |
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O3 .3026 .2249 .8255 0.0082 0.0137 0.0095 -.0009 -.0005 -.0027 |
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O4 .5630 .3383 .8039 0.0066 0.0125 0.0107 -.0002 -.0002 .0011 |
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O5 .4332 .4849 .6911 0.0103 0.0124 0.0111 .0004 -.0004 .0018 |
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O6 .4470 .1952 .6056 0.0086 0.0135 0.0128 -.0005 -.0002 -.0040 |
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| Download AMC data (View Text File)
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Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
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Pyroxene |
| |
Molin G M |
|
American Mineralogist 74 (1989) 593-598 |
|
Crystal-chemical study of cation disordering in Al-rich and Al-poor |
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orthopyroxenes from spinel lherzolite xenoliths |
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sample Le4A, 1050 C, 10 min |
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_database_code_amcsd 0001234 |
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18.243 8.808 5.197 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3758 .6540 .8650 .943 0.0078 0.0093 0.0076 .0001 -.0007 .0000 |
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Fe1 .3758 .6540 .8650 .057 0.0078 0.0093 0.0076 .0001 -.0007 .0000 |
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Mg2 .3784 .4832 .3582 .842 0.0109 0.0140 0.0093 -.0021 -.0018 -.0004 |
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Fe2 .3784 .4832 .3582 .158 0.0109 0.0140 0.0093 -.0021 -.0018 -.0004 |
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SiA .2714 .3417 .0473 0.0064 0.0093 0.0076 -.0005 .0003 -.0004 |
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SiB .4735 .3372 .8016 0.0068 0.0094 0.0085 .0001 -.0003 .0002 |
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O1 .1830 .3392 .0348 0.0067 0.0114 0.0108 .0008 .0004 .0003 |
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O2 .3106 .5033 .0419 0.0106 0.0107 0.0108 -.0009 -.0009 .0003 |
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O3 .3026 .2249 .8258 0.0093 0.0150 0.0086 -.0003 .0007 -.0020 |
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O4 .5630 .3384 .8038 0.0079 0.0113 0.0107 -.0002 .0005 .0003 |
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O5 .4334 .4851 .6914 0.0105 0.0130 0.0120 .0005 -.0005 .0022 |
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O6 .4470 .1952 .6063 0.0083 0.0148 0.0130 -.0003 -.0005 -.0047 |
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| Download AMC data (View Text File)
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Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
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Pyroxene |
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Molin G M |
|
American Mineralogist 74 (1989) 593-598 |
|
Crystal-chemical study of cation disordering in Al-rich and Al-poor |
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orthopyroxenes from spinel lherzolite xenoliths |
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sample Le4A, 1050 C, 90 min |
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_database_code_amcsd 0001235 |
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18.244 8.805 5.196 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3759 .6539 .8649 .945 0.0091 0.0068 0.0087 .0000 -.0005 .0001 |
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Fe1 .3759 .6539 .8649 .055 0.0091 0.0068 0.0087 .0000 -.0005 .0001 |
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Mg2 .3784 .4832 .3582 .845 0.0128 0.0111 0.0104 -.0016 -.0020 -.0002 |
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Fe2 .3784 .4832 .3582 .155 0.0128 0.0111 0.0104 -.0016 -.0020 -.0002 |
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SiA .2714 .3417 .0472 0.0078 0.0069 0.0088 -.0008 .0003 -.0002 |
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SiB .4735 .3373 .8017 0.0080 0.0075 0.0095 .0003 -.0004 .0003 |
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O1 .1830 .3395 .0352 0.0084 0.0094 0.0127 -.0003 -.0002 -.0003 |
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O2 .3108 .5032 .0425 0.0123 0.0070 0.0123 -.0018 -.0004 -.0005 |
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O3 .3026 .2248 .8256 0.0103 0.0109 0.0102 .0000 .0001 -.0030 |
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O4 .5630 .3383 .8036 0.0084 0.0101 0.0121 -.0008 .0003 .0008 |
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O5 .4332 .4847 .6908 0.0121 0.0106 0.0126 .0011 .0000 .0025 |
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O6 .4471 .1953 .6052 0.0099 0.0113 0.0143 .0006 -.0005 -.0039 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
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Pyroxene |
| |
Molin G M |
|
American Mineralogist 74 (1989) 593-598 |
|
Crystal-chemical study of cation disordering in Al-rich and Al-poor |
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orthopyroxenes from spinel lherzolite xenoliths |
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sample Le4A, 1150 C, 2 min |
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_database_code_amcsd 0001236 |
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18.246 8.809 5.197 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3758 .6539 .8649 .940 0.0080 0.0092 0.0079 .0002 -.0006 .0001 |
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Fe1 .3758 .6539 .8649 .060 0.0080 0.0092 0.0079 .0002 -.0006 .0001 |
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Mg2 .3784 .4832 .3583 .847 0.0115 0.0134 0.0096 -.0017 -.0018 -.0003 |
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Fe2 .3784 .4832 .3583 .153 0.0115 0.0134 0.0096 -.0017 -.0018 -.0003 |
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SiA .2714 .3417 .0472 0.0069 0.0090 0.0076 -.0004 .0001 .0000 |
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SiB .4735 .3372 .8016 0.0071 0.0090 0.0085 .0001 -.0002 .0002 |
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O1 .1830 .3393 .0349 0.0074 0.0120 0.0111 .0004 -.0001 -.0002 |
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O2 .3107 .5030 .0425 0.0107 0.0104 0.0111 -.0012 -.0006 .0004 |
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O3 .3026 .2250 .8259 0.0097 0.0140 0.0094 -.0005 .0007 -.0028 |
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O4 .5630 .3386 .8035 0.0082 0.0113 0.0108 -.0004 -.0008 .0006 |
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O5 .4334 .4851 .6910 0.0111 0.0132 0.0118 .0017 .0000 .0022 |
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O6 .4470 .1949 .6062 0.0092 0.0132 0.0136 .0000 -.0001 -.0038 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
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Pyroxene |
| |
Molin G M |
|
American Mineralogist 74 (1989) 593-598 |
|
Crystal-chemical study of cation disordering in Al-rich and Al-poor |
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orthopyroxenes from spinel lherzolite xenoliths |
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sample Le4A, 1150 C, 10 min |
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_database_code_amcsd 0001237 |
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18.242 8.803 5.198 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3758 .6540 .8651 .941 0.0090 0.0071 0.0098 .0004 -.0003 .0001 |
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Fe1 .3758 .6540 .8651 .059 0.0090 0.0071 0.0098 .0004 -.0003 .0001 |
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Mg2 .3784 .4831 .3582 .846 0.0126 0.0111 0.0112 -.0018 -.0019 -.0002 |
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Fe2 .3784 .4831 .3582 .154 0.0126 0.0111 0.0112 -.0018 -.0019 -.0002 |
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SiA .2714 .3417 .0473 0.0080 0.0068 0.0096 -.0005 .0003 -.0001 |
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SiB .4735 .3372 .8015 0.0079 0.0075 0.0105 -.0001 -.0006 .0005 |
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O1 .1830 .3392 .0354 0.0077 0.0101 0.0125 .0005 .0004 .0002 |
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O2 .3107 .5031 .0426 0.0122 0.0076 0.0138 -.0013 -.0004 -.0002 |
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O3 .3026 .2249 .8256 0.0109 0.0103 0.0108 -.0008 .0008 -.0025 |
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O4 .5630 .3384 .8033 0.0090 0.0098 0.0127 -.0001 .0003 .0003 |
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O5 .4331 .4849 .6908 0.0124 0.0109 0.0124 .0013 -.0008 .0025 |
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O6 .4470 .1952 .6049 0.0109 0.0121 0.0142 -.0001 -.0003 -.0048 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene |
| |
Molin G M |
|
American Mineralogist 74 (1989) 593-598 |
|
Crystal-chemical study of cation disordering in Al-rich and Al-poor |
|
orthopyroxenes from spinel lherzolite xenoliths |
|
sample Le9A, natural |
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_database_code_amcsd 0001238 |
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18.246 8.828 5.189 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3758 .6541 .8666 .972 0.0079 0.0086 0.0065 -.0002 -.0005 .0000 |
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Fe1 .3758 .6541 .8666 .028 0.0079 0.0086 0.0065 -.0002 -.0005 .0000 |
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Mg2 .3775 .4849 .3601 .858 0.0109 0.0112 0.0081 -.0011 -.0015 .0003 |
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Fe2 .3775 .4849 .3601 .142 0.0109 0.0112 0.0081 -.0011 -.0015 .0003 |
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SiA .2715 .3415 .0496 0.0066 0.0079 0.0065 -.0005 .0002 -.0002 |
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SiB .4736 .3371 .7988 0.0068 0.0077 0.0067 .0003 -.0004 -.0001 |
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O1 .1833 .3397 .0360 0.0066 0.0095 0.0082 -.0005 .0007 .0000 |
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O2 .3110 .5024 .0447 0.0101 0.0076 0.0078 -.0016 -.0010 .0005 |
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O3 .3028 .2243 .8287 0.0085 0.0110 0.0081 .0003 .0001 -.0024 |
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O4 .5625 .3393 .8006 0.0064 0.0096 0.0081 -.0003 -.0010 .0007 |
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O5 .4331 .4836 .6907 0.0099 0.0105 0.0089 .0020 -.0002 .0002 |
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O6 .4476 .1961 .6031 0.0084 0.0115 0.0083 .0002 .0005 -.0024 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene |
| |
Molin G M |
|
American Mineralogist 74 (1989) 593-598 |
|
Crystal-chemical study of cation disordering in Al-rich and Al-poor |
|
orthopyroxenes from spinel lherzolite xenoliths |
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sample Le9A, 1050 C, 3 min |
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_database_code_amcsd 0001239 |
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18.250 8.830 5.190 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3758 .6541 .8665 .962 0.0074 0.0085 0.0075 -.0003 -.0004 .0003 |
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Fe1 .3758 .6541 .8665 .038 0.0074 0.0085 0.0075 -.0003 -.0004 .0003 |
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Mg2 .3775 .4851 .3597 .870 0.0104 0.0113 0.0085 -.0014 -.0018 .0000 |
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Fe2 .3775 .4851 .3597 .130 0.0104 0.0113 0.0085 -.0014 -.0018 .0000 |
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SiA .2715 .3414 .0494 0.0064 0.0076 0.0067 -.0003 .0002 .0000 |
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SiB .4736 .3372 .7989 0.0066 0.0076 0.0072 .0003 -.0003 .0001 |
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O1 .1833 .3395 .0359 0.0048 0.0102 0.0090 .0001 .0005 .0007 |
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O2 .3109 .5022 .0440 0.0092 0.0091 0.0094 -.0012 -.0006 -.0003 |
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O3 .3028 .2244 .8289 0.0073 0.0120 0.0088 .0001 -.0007 -.0019 |
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O4 .5625 .3394 .8000 0.0063 0.0106 0.0087 -.0004 .0002 -.0001 |
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O5 .4331 .4838 .6908 0.0094 0.0100 0.0093 .0015 -.0007 .0010 |
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O6 .4473 .1959 .6029 0.0081 0.0115 0.0085 -.0004 -.0001 -.0023 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene |
| |
Molin G M |
|
American Mineralogist 74 (1989) 593-598 |
|
Crystal-chemical study of cation disordering in Al-rich and Al-poor |
|
orthopyroxenes from spinel lherzolite xenoliths |
|
sample Le9A, 1050 C, 10 min |
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_database_code_amcsd 0001240 |
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18.250 8.829 5.191 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3759 .6540 .8666 .961 0.0080 0.0080 0.0072 -.0001 -.0005 .0003 |
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Fe1 .3759 .6540 .8666 .039 0.0080 0.0080 0.0072 -.0001 -.0005 .0003 |
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Mg2 .3775 .4850 .3598 .868 0.0107 0.0111 0.0085 -.0014 -.0016 -.0002 |
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Fe2 .3775 .4850 .3598 .132 0.0107 0.0111 0.0085 -.0014 -.0016 -.0002 |
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SiA .2716 .3415 .0496 0.0061 0.0077 0.0064 -.0007 -.0001 -.0001 |
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SiB .4736 .3371 .7989 0.0069 0.0075 0.0068 .0001 -.0003 .0001 |
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O1 .1834 .3396 .0358 0.0059 0.0094 0.0089 -.0001 .0000 -.0005 |
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O2 .3109 .5020 .0442 0.0101 0.0079 0.0097 -.0018 -.0009 .0008 |
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O3 .3029 .2245 .8289 0.0079 0.0118 0.0075 .0000 .0000 -.0020 |
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O4 .5625 .3395 .8001 0.0058 0.0093 0.0090 .0002 .0002 .0006 |
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O5 .4331 .4837 .6904 0.0096 0.0100 0.0089 .0016 -.0006 .0009 |
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O6 .4474 .1958 .6031 0.0083 0.0110 0.0086 -.0003 -.0003 -.0019 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene |
| |
Molin G M |
|
American Mineralogist 74 (1989) 593-598 |
|
Crystal-chemical study of cation disordering in Al-rich and Al-poor |
|
orthopyroxenes from spinel lherzolite xenoliths |
|
sample Le9A, 1050 C, 90 min |
|
_database_code_amcsd 0001241 |
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18.248 8.831 5.189 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3758 .6540 .8665 .960 0.0080 0.0081 0.0076 .0001 -.0007 .0000 |
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Fe1 .3758 .6540 .8665 .040 0.0080 0.0081 0.0076 .0001 -.0007 .0000 |
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Mg2 .3775 .4850 .3598 .869 0.0106 0.0111 0.0089 -.0016 -.0019 .0000 |
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Fe2 .3775 .4850 .3598 .131 0.0106 0.0111 0.0089 -.0016 -.0019 .0000 |
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SiA .2716 .3415 .0496 0.0064 0.0077 0.0069 -.0005 .0003 -.0001 |
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SiB .4736 .3372 .7987 0.0063 0.0077 0.0073 .0004 -.0005 .0001 |
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O1 .1834 .3397 .0359 0.0065 0.0099 0.0080 .0001 .0000 -.0002 |
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O2 .3109 .5022 .0441 0.0092 0.0083 0.0097 -.0020 -.0009 .0008 |
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O3 .3028 .2245 .8292 0.0075 0.0119 0.0083 .0007 -.0006 -.0018 |
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O4 .5625 .3393 .8005 0.0065 0.0099 0.0090 -.0003 -.0002 .0002 |
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O5 .4330 .4837 .6903 0.0103 0.0098 0.0102 .0013 -.0005 .0014 |
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O6 .4473 .1959 .6031 0.0093 0.0104 0.0089 -.0001 -.0002 -.0021 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene |
| |
Molin G M |
|
American Mineralogist 74 (1989) 593-598 |
|
Crystal-chemical study of cation disordering in Al-rich and Al-poor |
|
orthopyroxenes from spinel lherzolite xenoliths |
|
sample Le9A, 1150 C, 2 min |
|
_database_code_amcsd 0001242 |
|
18.248 8.832 5.192 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3758 .6540 .8666 .957 0.0079 0.0085 0.0074 .0001 -.0007 .0001 |
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Fe1 .3758 .6540 .8666 .043 0.0079 0.0085 0.0074 .0001 -.0007 .0001 |
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Mg2 .3775 .4851 .3601 .868 0.0107 0.0117 0.0087 -.0013 -.0022 .0000 |
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Fe2 .3775 .4851 .3601 .132 0.0107 0.0117 0.0087 -.0013 -.0022 .0000 |
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SiA .2716 .3414 .0496 0.0063 0.0079 0.0066 -.0006 .0003 -.0001 |
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SiB .4736 .3372 .7988 0.0065 0.0084 0.0071 .0004 -.0002 .0000 |
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O1 .1833 .3396 .0354 0.0058 0.0102 0.0089 .0001 .0006 .0005 |
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O2 .3109 .5022 .0442 0.0095 0.0086 0.0098 -.0012 -.0007 .0002 |
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O3 .3029 .2244 .8286 0.0079 0.0123 0.0073 .0005 -.0006 -.0024 |
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O4 .5625 .3396 .8006 0.0064 0.0101 0.0090 -.0003 .0006 -.0001 |
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O5 .4331 .4836 .6904 0.0095 0.0098 0.0092 .0012 -.0008 .0000 |
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O6 .4473 .1959 .6028 0.0084 0.0119 0.0091 -.0009 .0007 -.0016 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene |
| |
Molin G M |
|
American Mineralogist 74 (1989) 593-598 |
|
Crystal-chemical study of cation disordering in Al-rich and Al-poor |
|
orthopyroxenes from spinel lherzolite xenoliths |
|
sample Le9A, 1150 C, 10 min |
|
_database_code_amcsd 0001243 |
|
18.243 8.834 5.190 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3758 .6540 .8666 .960 0.0080 0.0083 0.0070 .0000 -.0007 .0003 |
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Fe1 .3758 .6540 .8666 .040 0.0080 0.0083 0.0070 .0000 -.0007 .0003 |
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Mg2 .3775 .4850 .3600 .869 0.0110 0.0112 0.0085 -.0016 -.0020 .0002 |
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Fe2 .3775 .4850 .3600 .131 0.0110 0.0112 0.0085 -.0016 -.0020 .0002 |
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SiA .2716 .3415 .0497 0.0063 0.0081 0.0067 -.0006 .0003 -.0002 |
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SiB .4736 .3372 .7986 0.0062 0.0080 0.0070 -.0001 -.0003 .0000 |
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O1 .1833 .3395 .0358 0.0061 0.0098 0.0087 .0003 .0011 -.0005 |
|
O2 .3109 .5022 .0444 0.0095 0.0088 0.0094 -.0014 -.0013 .0008 |
|
O3 .3029 .2244 .8289 0.0085 0.0117 0.0069 -.0004 .0001 -.0020 |
|
O4 .5624 .3395 .8006 0.0064 0.0099 0.0084 -.0004 .0000 .0008 |
|
O5 .4331 .4835 .6905 0.0089 0.0106 0.0089 .0015 .0001 .0011 |
|
O6 .4475 .1962 .6029 0.0078 0.0110 0.0091 -.0003 -.0001 -.0024 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene |
| |
Hazen R M, Finger L W, Ko J |
|
American Mineralogist 78 (1993) 1336-1339 |
|
Effects of pressure on Mg-Fe ordering in orthopyroxene synthesized at 11.3 GPa |
|
and 1600 C |
|
_database_code_amcsd 0001628 |
|
18.312 8.917 5.217 90 90 90 Pbca |
|
atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
|
Mg1 .37566 .65433 .87255 .72 .00050 .00198 .00461 .00003 -.00015 .00002 |
|
Fe1 .37566 .65433 .87255 .28 .00050 .00198 .00461 .00003 -.00015 .00002 |
|
Fe2 .37783 .48396 .36615 .60 .00062 .00259 .00508 -.00013 -.00045 .00002 |
|
Mg2 .37783 .48396 .36615 .40 .00062 .00259 .00508 -.00013 -.00045 .00002 |
|
SiA .27171 .34044 .05148 .00041 .00189 .00439 -.00010 .00002 .00011 |
|
SiB .47378 .33632 .79433 .00041 .00177 .00412 .00004 -.00002 .00010 |
|
O1A .18380 .33869 .04139 .00041 .00292 .00597 -.00001 .00006 .00015 |
|
O2A .31110 .49979 .05281 .00070 .00251 .00590 -.00018 .00012 .00035 |
|
O3A .30263 .23023 -.17567 .00050 .00370 .00548 -.00004 -.00002 -.00176 |
|
O1B .56223 .33733 .79453 .00041 .00294 .00647 -.00007 -.00002 .00061 |
|
O2B .43342 .48406 .69513 .00058 .00278 .00693 .00008 -.00015 .00103 |
|
O3B .44736 .20115 .59377 .00053 .00282 .00593 -.00001 .00009 -.00079 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #1 based on HCP stacking sequence ABAB. Has the bonding topology of |
|
observed HT-C2/c pyroxenes. |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0002996 |
|
7.3936910 6 3.4641016 90 117.9383 90 C2/c |
|
atom x y z |
|
Mg1 0 11/12 1/4 |
|
Mg2 0 .25 1/4 |
|
Si 5/16 1/12 19/48 |
|
O1 1/8 1/12 5/24 |
|
O2 3/8 .25 7/24 |
|
O3 3/8 11/12 7/24 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #2 based on stacking sequence ABAC. Ideal analogue of protopyroxene, |
|
high-P protopyroxene. |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0002997 |
|
6.5319726 6 3.4641016 90 90 90 *P2_1cn |
|
0 .25 0 |
|
atom x y z |
|
Mg1 0 1/12 2/3 |
|
Mg2 0 .25 1/6 |
|
SiA 11/16 11/12 5/6 |
|
SiB 5/16 1/12 0 |
|
O1A 7/8 11/12 5/6 |
|
O1B 1/8 1/12 0 |
|
O2A 5/8 3/4 0 |
|
O2B 3/8 .25 1/6 |
|
O3A 5/8 11/12 1/2 |
|
O3B 3/8 11/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #3a based on stacking sequence ABABCACABCBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0002998 |
|
6.6332495 6 3.4641016 90 100.0250 90 P2/c |
|
atom x y z |
|
SiA 11/16 7/12 5/16 |
|
SiB 13/16 11/12 1/48 |
|
Mg1a 0 7/12 3/4 |
|
Mg2a 0 .25 3/4 |
|
Mg1b 1/2 1/12 3/4 |
|
Mg2b 1/2 3/4 3/4 |
|
O1A 7/8 7/12 3/8 |
|
O2A 5/8 3/4 11/24 |
|
O3A 5/8 5/12 11/24 |
|
O1B 5/8 1/12 11/24 |
|
O2B 7/8 .25 3/8 |
|
O3B 7/8 11/12 3/8 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #3b based on stacking sequence ABABCACABCBC. Ideal analogue of low |
|
clinopyroxene. |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0002999 |
|
6.9282032 6 3.4641016 90 109.4712 90 P2_1/c |
|
atom x y z |
|
SiA 1/16 1/3 3/8 |
|
SiB 9/16 5/6 5/24 |
|
Mg1 .25 2/3 1/6 |
|
Mg2 .25 0 1/6 |
|
O1A 7/8 1/3 1/4 |
|
O1B 3/8 5/6 1/12 |
|
O2A 1/8 1/2 1/4 |
|
O2B 5/8 0 5/12 |
|
O3A 1/8 1/3 3/4 |
|
O3B 5/8 2/3 5/12 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #4 based on CCP stacking sequence ABCABCABCABC. Ideal analogue of HP-C2/c |
|
pyroxene and eight-coordinaSiEd Mg2-C2/c pyroxene. |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003000 |
|
6.6332495 6.0 3.4641016 90 100.0250 90 C2/c |
|
atom x y z |
|
Si 5/16 1/12 3/16 |
|
Mg1 0 11/12 1/4 |
|
Mg2 0 .25 1/4 |
|
O1 1/8 1/12 1/8 |
|
O2 3/8 .25 3/8 |
|
O3 3/8 1/12 7/8 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #5 based on stacking sequence ABABABAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003001 |
|
13.063945 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 31/32 11/12 1/6 |
|
SiB 29/32 5/12 0 |
|
Mg1a 13/16 1/12 1/3 |
|
Mg2a 13/16 3/4 1/3 |
|
SiC 23/32 7/12 5/6 |
|
SiD 21/32 11/12 1/2 |
|
Mg1b 9/16 7/12 1/6 |
|
Mg2b 9/16 .25 1/6 |
|
SiE 13/32 7/12 1/2 |
|
SiF 15/32 1/12 1/3 |
|
Mg1c 5/16 1/12 2/3 |
|
Mg2c 5/16 3/4 2/3 |
|
SiG 5/32 1/12 0 |
|
SiH 7/32 5/12 1/3 |
|
Mg1d 1/16 5/12 2/3 |
|
Mg2d 1/16 .25 1/6 |
|
O1A 7/8 11/12 1/6 |
|
O2A 0 3/4 0 |
|
O3A 0 1/12 0 |
|
O1B 0 5/12 0 |
|
O2B 7/8 7/12 1/6 |
|
O3B 7/8 3/4 2/3 |
|
O1C 5/8 5/12 1/3 |
|
O2C 3/4 3/4 0 |
|
O3C 3/4 5/12 0 |
|
O1D 3/4 1/12 0 |
|
O2D 5/8 3/4 1/3 |
|
O3D 5/8 1/12 1/3 |
|
O1E 1/2 5/12 0 |
|
O2E 3/8 3/4 1/3 |
|
O3E 3/8 5/12 1/3 |
|
O1F 3/8 1/12 1/3 |
|
O2F 1/2 3/4 0 |
|
O3F 1/2 1/12 0 |
|
O1G .25 1/12 0 |
|
O2G 1/8 3/4 1/3 |
|
O3G 1/8 1/12 1/3 |
|
O1H 1/8 5/12 1/3 |
|
O2H .25 .25 1/2 |
|
O3H .25 5/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #6 based on stacking sequence ABABACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003002 |
|
13.063945 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 31/32 11/12 1/6 |
|
SiB 29/32 5/12 0 |
|
Mg1a 13/16 1/12 0 |
|
Mg2a 13/16 3/4 0 |
|
SiC 23/32 5/12 2/3 |
|
SiD 21/32 1/12 1/3 |
|
Mg1b 9/16 5/12 1/3 |
|
Mg2b 9/16 3/4 1/3 |
|
SiE 13/32 7/12 1/2 |
|
SiF 15/32 1/12 1/3 |
|
Mg1c 5/16 1/12 2/3 |
|
Mg2c 5/16 3/4 2/3 |
|
SiG 5/32 1/12 0 |
|
SiH 7/32 5/12 1/3 |
|
Mg1d 1/16 5/12 2/3 |
|
Mg2d 1/16 .25 1/6 |
|
O1A 7/8 11/12 1/6 |
|
O2A 0 3/4 0 |
|
O3A 0 1/12 0 |
|
O1B 0 5/12 0 |
|
O2B 7/8 7/12 1/6 |
|
O3B 7/8 3/4 2/3 |
|
O1C 5/8 5/12 2/3 |
|
O2C 3/4 .25 5/6 |
|
O3C 3/4 5/12 1/3 |
|
O1D 3/4 1/12 1/3 |
|
O2D 5/8 .25 1/6 |
|
O3D 5/8 11/12 1/6 |
|
O1E 1/2 5/12 0 |
|
O2E 3/8 3/4 1/3 |
|
O3E 3/8 5/12 1/3 |
|
O1F 3/8 1/12 1/3 |
|
O2F 1/2 3/4 0 |
|
O3F 1/2 1/12 0 |
|
O1G .25 1/12 0 |
|
O2G 1/8 3/4 1/3 |
|
O3G 1/8 1/12 1/3 |
|
O1H 1/8 5/12 1/3 |
|
O2H .25 .25 1/2 |
|
O3H .25 5/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #7 based on stacking sequence ABABACAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003003 |
|
13.063945 6 3.4641016 90 90 90 P2_1ca |
|
atom x y z |
|
SiA 31/32 11/12 11/12 |
|
SiB 29/32 5/12 3/4 |
|
Mg1a 5/16 1/12 5/12 |
|
Mg2a 5/16 3/4 5/12 |
|
SiC 5/32 1/12 3/4 |
|
SiD 7/32 5/12 1/12 |
|
Mg1b 1/16 5/12 5/12 |
|
Mg2b 1/16 .25 11/12 |
|
O1A 7/8 11/12 11/12 |
|
O2A 0 3/4 3/4 |
|
O3A 0 1/12 3/4 |
|
O1B 0 5/12 3/4 |
|
O2B 7/8 7/12 11/12 |
|
O3B 7/8 3/4 5/12 |
|
O1C .25 1/12 3/4 |
|
O2C 1/8 3/4 1/12 |
|
O3C 1/8 1/12 1/12 |
|
O1D 1/8 5/12 1/12 |
|
O2D .25 .25 1/4 |
|
O3D .25 5/12 3/4 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #8a based on stacking sequence ABABCABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003004 |
|
13.063945 6 3.4641016 90 90. 90 P2/c |
|
atom x y z |
|
SiA 29/32 11/12 1/12 |
|
SiB 27/32 5/12 11/12 |
|
SiC 13/32 11/12 3/4 |
|
SiD 11/32 7/12 1/12 |
|
Mg1a 0 5/12 1/4 |
|
Mg2a 0 .25 3/4 |
|
Mg1b .25 11/12 1/12 |
|
Mg2b .25 .25 1/12 |
|
Mg1c 1/2 7/12 3/4 |
|
Mg2c 1/2 .25 3/4 |
|
O1A 13/16 11/12 1/12 |
|
O2A 15/16 3/4 11/12 |
|
O3A 15/16 1/12 11/12 |
|
O1B 15/16 5/12 11/12 |
|
O2B 13/16 .25 1/12 |
|
O3B 13/16 7/12 1/12 |
|
O1C 5/16 11/12 3/4 |
|
O2C 7/16 3/4 7/12 |
|
O3C 7/16 11/12 1/12 |
|
O1D 7/16 7/12 1/12 |
|
O2D 5/16 3/4 1/4 |
|
O3D 5/16 7/12 3/4 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #8b based on stacking sequence ABABCABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003005 |
|
13.063945 6 3.4641016 90 90. 90 P2_1/c |
|
atom x y z |
|
SiA 31/32 1/6 1/3 |
|
Mg1a 7/8 2/3 1/2 |
|
Mg2a 7/8 0 1/2 |
|
SiB 9/32 1/3 1/6 |
|
SiC 7/32 2/3 1/2 |
|
SiD 15/32 1/3 1/6 |
|
Mg1b 3/8 2/3 1/6 |
|
Mg2b 3/8 0 1/6 |
|
O1A 1/16 1/6 1/3 |
|
O2A 15/16 0 1/6 |
|
O3A 15/16 1/3 1/6 |
|
O1B 3/16 1/3 1/6 |
|
O2B 5/16 1/2 0 |
|
O3B 5/16 1/3 1/2 |
|
O1C 5/16 2/3 1/2 |
|
O2C 3/16 1/2 2/3 |
|
O3C 3/16 2/3 1/6 |
|
O1D 9/16 1/3 1/6 |
|
O2D 7/16 1/2 1/3 |
|
O3D 7/16 1/6 1/3 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #9a based on stacking sequence ABABCBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003006 |
|
13.063948 6 3.4641016 90 90. 90 P2/c |
|
atom x y z |
|
SiA 29/32 11/12 1/12 |
|
SiB 27/32 5/12 11/12 |
|
SiC 13/32 11/12 3/4 |
|
SiD 11/32 7/12 5/12 |
|
Mg1a 0 5/12 1/4 |
|
Mg2a 0 .25 3/4 |
|
Mg1b .25 11/12 1/12 |
|
Mg2b .25 .25 1/12 |
|
Mg1c 1/2 7/12 3/4 |
|
Mg2c 1/2 .25 3/4 |
|
O1A 13/16 11/12 1/12 |
|
O2A 15/16 3/4 11/12 |
|
O3A 15/16 1/12 11/12 |
|
O1B 15/16 5/12 11/12 |
|
O2B 13/16 .25 1/12 |
|
O3B 13/16 7/12 1/12 |
|
O1C 5/16 11/12 3/4 |
|
O2C 7/16 3/4 11/12 |
|
O3C 7/16 1/12 11/12 |
|
O1D 7/16 7/12 5/12 |
|
O2D 5/16 3/4 1/4 |
|
O3D 5/16 7/12 3/4 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #9b based on stacking sequence ABABCBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003007 |
|
13.063945 6 3.4641016 90 90. 90 P2_1/c |
|
atom x y z |
|
SiA 31/32 1/6 1/3 |
|
Mg1a 7/8 2/3 1/2 |
|
Mg2a 7/8 0 1/2 |
|
SiB 9/32 1/3 1/6 |
|
SiC 7/32 2/3 1/2 |
|
SiD 15/32 1/6 1/3 |
|
Mg1b 3/8 2/3 5/6 |
|
Mg2b 3/8 0 5/6 |
|
O1A 1/16 1/6 1/3 |
|
O2A 15/16 0 1/6 |
|
O3A 15/16 1/3 1/6 |
|
O1B 3/16 1/3 1/6 |
|
O2B 5/16 1/2 0 |
|
O3B 5/16 1/3 1/2 |
|
O1C 5/16 2/3 1/2 |
|
O2C 3/16 1/2 2/3 |
|
O3C 3/16 2/3 1/6 |
|
O1D 9/16 1/6 1/3 |
|
O2D 7/16 0 1/6 |
|
O3D 7/16 1/3 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #10 based on stacking sequence ABACBABC. Ideal analogue to orthopyroxene. |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003008 |
|
13.063945 6 3.4641016 90 90 90 *P2_1ca |
|
0 .25 0 |
|
atom x y z |
|
SiA 9/32 1/6 7/12 |
|
SiB 7/32 2/3 5/12 |
|
Mg1a 1/8 1/3 5/12 |
|
Mg2a 1/8 0 5/12 |
|
SiC 15/32 1/6 1/4 |
|
SiD 17/32 5/6 7/12 |
|
Mg1b 7/8 2/3 3/4 |
|
Mg2b 7/8 1/2 1/4 |
|
O1A 3/16 1/6 7/12 |
|
O2A 5/16 0 5/12 |
|
O3A 5/16 1/3 5/12 |
|
O1B 5/16 2/3 5/12 |
|
O2B 3/16 1/2 7/12 |
|
O3B 3/16 5/6 7/12 |
|
O1C 9/16 1/6 1/4 |
|
O2C 7/16 0 1/12 |
|
O3C 7/16 1/6 7/12 |
|
O1D 7/16 5/6 7/12 |
|
O2D 9/16 0 3/4 |
|
O3D 9/16 5/6 1/4 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #11a based on stacking sequence ABABABABCABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003009 |
|
19.595917 6 3.4641016 90 90. 90 P2/c |
|
atom x y z |
|
SiA 1/16 7/12 5/12 |
|
SiB 5/48 1/12 7/12 |
|
SiC 11/48 1/12 11/12 |
|
SiD 13/48 5/12 7/12 |
|
SiE 19/48 5/12 7/12 |
|
SiF 7/16 1/12 1/4 |
|
Mg1a 0 1/12 1/4 |
|
Mg2a 0 .25 3/4 |
|
Mg1b 1/6 5/12 1/4 |
|
Mg2b 1/6 .25 3/4 |
|
Mg1c 1/3 1/12 7/12 |
|
Mg2c 1/3 .25 1/12 |
|
Mg1d 1/2 5/12 1/4 |
|
Mg2d 1/2 .25 3/4 |
|
O1A 1/8 7/12 5/12 |
|
O2A 1/24 3/4 7/12 |
|
O3A 1/24 5/12 7/12 |
|
O1B 1/24 1/12 7/12 |
|
O2B 1/8 .25 5/12 |
|
O3B 1/8 1/12 11/12 |
|
O1C 7/24 1/12 11/12 |
|
O2C 5/24 .25 1/12 |
|
O3C 5/24 1/12 7/12 |
|
O1D 5/24 5/12 7/12 |
|
O2D 7/24 .25 5/12 |
|
O3D 7/24 7/12 5/12 |
|
O1E 11/24 5/12 7/12 |
|
O2E 3/8 .25 3/4 |
|
O3E 3/8 7/12 3/4 |
|
O1F 3/8 1/12 1/4 |
|
O2F 11/24 .25 1/12 |
|
O3F 11/24 1/12 7/12 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #11b based on stacking sequence ABABABABCABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003010 |
|
19.595917 6 3.4641016 90 90. 90 P2_1/c |
|
atom x y z |
|
Mg1a 1/12 2/3 1/2 |
|
Mg2a 1/12 1/2 0 |
|
Mg1b .25 1/3 1/2 |
|
Mg2b .25 1/2 0 |
|
Mg1c 5/12 5/6 2/3 |
|
Mg2c 5/12 1/2 2/3 |
|
SiA 7/48 1/6 1/3 |
|
SiB 3/16 5/6 2/3 |
|
SiC 5/16 2/3 1/2 |
|
SiD 17/48 1/3 1/6 |
|
SiE 23/48 1/6 2/3 |
|
SiF 1/48 1/6 2/3 |
|
O1A 5/24 1/6 1/3 |
|
O2A 1/8 0 1/6 |
|
O3A 1/8 1/6 2/3 |
|
O1B 1/8 5/6 2/3 |
|
O2B 5/24 0 5/6 |
|
O3B 5/24 5/6 1/3 |
|
O1C 3/8 2/3 1/2 |
|
O2C 7/24 1/2 2/3 |
|
O3C 7/24 5/6 2/3 |
|
O1D 7/24 1/3 1/6 |
|
O2D 3/8 1/2 0 |
|
O3D 3/8 1/6 0 |
|
O1E 13/24 1/6 2/3 |
|
O2E 11/24 0 5/6 |
|
O3E 11/24 1/6 1/3 |
|
O1F 23/24 1/6 2/3 |
|
O2F 1/24 0 5/6 |
|
O3F 1/24 1/6 1/3 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #12a based on stacking sequence ABABABABCBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003011 |
|
19.595917 6 3.4641016 90 90. 90 P2/c |
|
atom x y z |
|
SiA 1/16 7/12 5/12 |
|
SiB 5/48 1/12 7/12 |
|
SiC 11/48 1/12 11/12 |
|
SiD 13/48 5/12 7/12 |
|
SiE 19/48 7/12 5/12 |
|
SiF 7/16 1/12 1/4 |
|
Mg1a 0 1/12 1/4 |
|
Mg2a 0 .25 3/4 |
|
Mg1b 1/6 5/12 1/4 |
|
Mg2b 1/6 .25 3/4 |
|
Mg1c 1/3 1/12 7/12 |
|
Mg2c 1/3 .25 1/12 |
|
Mg1d 1/2 5/12 1/4 |
|
Mg2d 1/2 .25 3/4 |
|
O1A 1/8 7/12 5/12 |
|
O2A 1/24 3/4 7/12 |
|
O3A 1/24 5/12 7/12 |
|
O1B 1/24 1/12 7/12 |
|
O2B 1/8 .25 5/12 |
|
O3B 1/8 1/12 11/12 |
|
O1C 7/24 1/12 11/12 |
|
O2C 5/24 .25 1/12 |
|
O3C 5/24 1/12 7/12 |
|
O1D 5/24 5/12 7/12 |
|
O2D 7/24 .25 5/12 |
|
O3D 7/24 7/12 5/12 |
|
O1E 11/24 7/12 5/12 |
|
O2E 3/8 .25 3/4 |
|
O3E 3/8 7/12 3/4 |
|
O1F 3/8 1/12 1/4 |
|
O2F 11/24 .25 5/12 |
|
O3F 11/24 11/12 5/12 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #12b based on stacking sequence ABABABABCBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003012 |
|
19.595917 6 3.4641016 90 90. 90 P2_1/c |
|
atom x y z |
|
Mg1a 1/12 2/3 1/2 |
|
Mg2a 1/12 1/2 0 |
|
Mg1b .25 1/3 1/2 |
|
Mg2b .25 1/2 0 |
|
Mg1c 5/12 2/3 5/6 |
|
Mg2c 5/12 1/2 1/3 |
|
SiA 7/48 1/6 1/3 |
|
SiB 3/16 5/6 2/3 |
|
SiC 5/16 2/3 1/2 |
|
SiD 17/48 1/3 1/6 |
|
SiE 23/48 1/6 1/3 |
|
SiF 1/48 1/6 2/3 |
|
O1A 5/24 1/6 1/3 |
|
O2A 1/8 0 1/6 |
|
O3A 1/8 1/6 2/3 |
|
O1B 1/8 5/6 2/3 |
|
O2B 5/24 0 5/6 |
|
O3B 5/24 5/6 1/3 |
|
O1C 3/8 2/3 1/2 |
|
O2C 7/24 1/2 2/3 |
|
O3C 7/24 5/6 2/3 |
|
O1D 7/24 1/3 1/6 |
|
O2D 3/8 1/2 0 |
|
O3D 3/8 1/6 0 |
|
O1E 13/24 1/6 1/3 |
|
O2E 11/24 0 1/6 |
|
O3E 11/24 1/6 2/3 |
|
O1F 23/24 1/6 2/3 |
|
O2F 1/24 0 5/6 |
|
O3F 1/24 1/6 1/3 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #13 based on stacking sequence ABABABACACAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003013 |
|
19.595917 6 3.4641016 90 90 90 P2_1cn |
|
atom x y z |
|
SiA 1/48 2/3 1/3 |
|
SiB 1/16 1/3 0 |
|
SiC 3/16 1/6 5/6 |
|
SiD 11/48 2/3 0 |
|
SiE 17/48 2/3 1/3 |
|
SiF 19/48 1/3 0 |
|
Mg1a 1/8 2/3 2/3 |
|
Mg2a 1/8 0 2/3 |
|
Mg1b 7/24 1/3 2/3 |
|
Mg2b 7/24 0 2/3 |
|
Mg1c 11/24 2/3 2/3 |
|
Mg2c 11/24 0 2/3 |
|
O1A 1/12 2/3 1/3 |
|
O2A 0 1/2 1/2 |
|
O3A 0 5/6 1/2 |
|
O1B 0 1/3 0 |
|
O2B 1/12 0 1/3 |
|
O3B 1/12 1/3 1/3 |
|
O1C .25 1/6 5/6 |
|
O2C 1/6 0 0 |
|
O3C 1/6 1/3 0 |
|
O1D 1/6 2/3 0 |
|
O2D .25 0 1/3 |
|
O3D .25 2/3 1/3 |
|
O1E 5/12 2/3 1/3 |
|
O2E 1/3 0 0 |
|
O3E 1/3 2/3 0 |
|
O1F 1/3 1/3 0 |
|
O2F 5/12 0 1/3 |
|
O3F 5/12 1/3 1/3 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #14a based on stacking sequence ABABABCABABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003014 |
|
19.595917 6 3.4641016 90 90. 90 P2_1/c |
|
atom x y z |
|
SiA 7/48 5/6 2/3 |
|
SiB 3/16 1/6 1/3 |
|
SiC 5/16 1/6 1/3 |
|
SiD 17/48 5/6 0 |
|
SiE 25/48 1/3 1/6 |
|
SiF 1/48 5/6 1/3 |
|
Mg1a 1/12 1/6 0 |
|
Mg2a 1/12 0 1/2 |
|
Mg1b .25 2/3 5/6 |
|
Mg2b .25 1/2 1/3 |
|
Mg1c 5/12 1/6 0 |
|
Mg2c 5/12 0 1/2 |
|
O1A 5/24 5/6 2/3 |
|
O2A 1/8 0 5/6 |
|
O3A 1/8 5/6 1/3 |
|
O1B 1/8 1/6 1/3 |
|
O2B 5/24 0 1/6 |
|
O3B 5/24 1/6 2/3 |
|
O1C 3/8 1/6 1/3 |
|
O2C 7/24 0 1/2 |
|
O3C 7/24 1/6 0 |
|
O1D 7/24 5/6 0 |
|
O2D 3/8 0 5/6 |
|
O3D 3/8 5/6 1/3 |
|
O1E 11/24 1/3 1/6 |
|
O2E 13/24 0 5/6 |
|
O3E 13/24 1/6 1/3 |
|
O1F 23/24 5/6 1/3 |
|
O2F 1/24 0 1/6 |
|
O3F 1/24 5/6 2/3 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #14b based on stacking sequence ABABABCABABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003015 |
|
19.595917 6 3.4641016 90 90. 90 P2/c |
|
atom x y z |
|
SiA 1/16 7/12 1/12 |
|
SiB 5/48 1/12 11/12 |
|
SiC 11/48 1/12 1/4 |
|
SiD 13/48 7/12 5/12 |
|
SiE 19/48 7/12 5/12 |
|
SiF 7/16 1/12 7/12 |
|
Mg1a 0 1/12 1/4 |
|
Mg2a 0 .25 3/4 |
|
Mg1b 1/6 5/12 1/4 |
|
Mg2b 1/6 .25 3/4 |
|
Mg1c 1/3 1/12 11/12 |
|
Mg2c 1/3 .25 5/12 |
|
Mg1d 1/2 5/12 1/4 |
|
Mg2d 1/2 .25 3/4 |
|
O1A 1/8 7/12 1/12 |
|
O2A 1/24 .25 5/12 |
|
O3A 1/24 7/12 5/12 |
|
O1B 1/24 1/12 11/12 |
|
O2B 1/8 .25 1/12 |
|
O3B 1/8 1/12 7/12 |
|
O1C 7/24 1/12 1/4 |
|
O2C 5/24 .25 5/12 |
|
O3C 5/24 1/12 11/12 |
|
O1D 5/24 7/12 5/12 |
|
O2D 7/24 3/4 1/4 |
|
O3D 7/24 5/12 1/4 |
|
O1E 11/24 7/12 5/12 |
|
O2E 3/8 .25 1/12 |
|
O3E 3/8 7/12 1/12 |
|
O1F 3/8 1/12 7/12 |
|
O2F 11/24 .25 5/12 |
|
O3F 11/24 1/12 11/12 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #15a based on stacking sequence ABABABCBABAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003016 |
|
19.595917 6 3.4641016 90 90. 90 P2_1/c |
|
atom x y z |
|
SiA 1/48 5/6 1/3 |
|
Mg1a 1/12 1/6 0 |
|
Mg2a 1/12 0 1/2 |
|
SiB 7/48 2/3 1/6 |
|
SiC 3/16 1/6 1/3 |
|
Mg1b .25 2/3 5/6 |
|
Mg2b .25 0 5/6 |
|
SiD 5/16 1/3 1/6 |
|
SiE 17/48 5/6 0 |
|
Mg1c 5/12 1/6 0 |
|
Mg2c 5/12 0 1/2 |
|
SiF 23/48 2/3 1/6 |
|
O1A 23/24 5/6 1/3 |
|
O2A 1/24 0 1/6 |
|
O3A 1/24 5/6 2/3 |
|
O1B 5/24 2/3 1/6 |
|
O2B 1/8 0 5/6 |
|
O3B 1/8 5/6 1/3 |
|
O1C 1/8 1/6 1/3 |
|
O2C 5/24 0 1/6 |
|
O3C 5/24 1/3 1/6 |
|
O1D 3/8 1/3 1/6 |
|
O2D 7/24 0 1/2 |
|
O3D 7/24 1/6 0 |
|
O1E 7/24 5/6 0 |
|
O2E 3/8 0 1/6 |
|
O3E 3/8 2/3 1/6 |
|
O1F 13/24 2/3 1/6 |
|
O2F 11/24 0 5/6 |
|
O3F 11/24 5/6 1/3 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #15b based on stacking sequence ABABABCBABAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003017 |
|
19.595917 6 3.4641016 90 90. 90 P2/c |
|
atom x y z |
|
SiA 1/16 7/12 1/12 |
|
SiB 5/48 1/12 11/12 |
|
Mg1a 1/6 5/12 1/4 |
|
Mg2a 1/6 .25 3/4 |
|
SiC 11/48 1/12 1/4 |
|
SiD 13/48 7/12 5/12 |
|
Mg1b 1/3 1/12 7/12 |
|
Mg2b 1/3 .25 1/12 |
|
SiE 19/48 7/12 1/12 |
|
SiF 7/16 1/12 11/12 |
|
Mg1c 1/2 5/12 1/4 |
|
Mg2c 1/2 .25 3/4 |
|
Mg1d 0 1/12 1/4 |
|
Mg2d 0 .25 3/4 |
|
O1A 1/8 7/12 1/12 |
|
O2A 1/24 .25 5/12 |
|
O3A 1/24 7/12 5/12 |
|
O1B 1/24 1/12 11/12 |
|
O2B 1/8 .25 1/12 |
|
O3B 1/8 1/12 7/12 |
|
O1C 7/24 1/12 1/4 |
|
O2C 5/24 .25 5/12 |
|
O3C 5/24 1/12 11/12 |
|
O1D 5/24 7/12 5/12 |
|
O2D 7/24 .25 3/4 |
|
O3D 7/24 5/12 1/4 |
|
O1E 11/24 7/12 1/12 |
|
O2E 3/8 .25 5/12 |
|
O3E 3/8 7/12 5/12 |
|
O1F 3/8 1/12 11/12 |
|
O2F 11/24 .25 1/12 |
|
O3F 11/24 1/12 7/12 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #16 based on stacking sequence ABABACABABAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003018 |
|
19.899748 6 3.4641016 90 100.024987862 90 Cc |
|
atom x y z |
|
SiA 1/48 5/12 17/48 |
|
SiB 1/16 1/12 1/16 |
|
Mg1a 1/8 5/12 19/24 |
|
Mg2a 1/8 .25 7/24 |
|
SiC 3/16 1/12 25/48 |
|
SiD 11/48 5/12 11/48 |
|
Mg1b 7/24 1/12 23/24 |
|
Mg2b 7/24 .25 11/24 |
|
SiE 17/48 7/12 25/48 |
|
SiF 19/48 1/12 19/48 |
|
Mg1c 11/24 5/12 19/24 |
|
Mg2c 11/24 .25 7/24 |
|
O1A 1/12 5/12 5/12 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 11/12 |
|
O3B 1/12 1/12 5/12 |
|
O1C .25 1/12 7/12 |
|
O2C 1/6 .25 2/3 |
|
O3C 1/6 1/12 1/6 |
|
O1D 1/6 5/12 1/6 |
|
O2D .25 3/4 7/12 |
|
O3D .25 5/12 7/12 |
|
O1E 5/12 7/12 7/12 |
|
O2E 1/3 3/4 1/3 |
|
O3E 1/3 5/12 1/3 |
|
O1F 1/3 1/12 1/3 |
|
O2F 5/12 .25 7/12 |
|
O3F 5/12 1/12 1/12 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #17a based on stacking sequence ABABACACBCBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003019 |
|
19.595917 6 3.4641016 90 90. 90 P2/c |
|
atom x y z |
|
Mg1a 0 5/12 1/4 |
|
Mg2a 0 .25 3/4 |
|
SiA 1/16 1/12 7/12 |
|
SiB 5/48 7/12 5/12 |
|
Mg1b 1/6 1/12 11/12 |
|
Mg2b 1/6 .25 5/12 |
|
SiC 11/48 7/12 1/12 |
|
SiD 13/48 1/12 1/4 |
|
Mg1c 1/3 5/12 11/12 |
|
Mg2c 1/3 .25 5/12 |
|
SiE 19/48 1/12 7/12 |
|
SiF 7/16 5/12 1/4 |
|
Mg1d 1/2 1/12 1/4 |
|
Mg2d 1/2 .25 3/4 |
|
O1A 1/8 1/12 7/12 |
|
O2A 1/24 .25 5/12 |
|
O3A 1/24 1/12 11/12 |
|
O1B 1/24 7/12 5/12 |
|
O2B 1/8 .25 1/12 |
|
O3B 1/8 7/12 1/12 |
|
O1C 7/24 7/12 1/12 |
|
O2C 5/24 3/4 1/4 |
|
O3C 5/24 5/12 1/4 |
|
O1D 5/24 1/12 1/4 |
|
O2D 7/24 .25 1/12 |
|
O3D 7/24 1/12 7/12 |
|
O1E 11/24 1/12 7/12 |
|
O2E 3/8 .25 3/4 |
|
O3E 3/8 1/12 1/4 |
|
O1F 3/8 5/12 1/4 |
|
O2F 11/24 .25 1/12 |
|
O3F 11/24 7/12 1/12 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #17b based on stacking sequence ABABACACBCBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003020 |
|
19.595917 6 3.4641016 90 90. 90 P2_1/c |
|
atom x y z |
|
SiA 1/48 2/3 1/3 |
|
Mg1a 1/12 1/6 1/2 |
|
Mg2a 1/12 0 0 |
|
SiB 7/48 2/3 0 |
|
SiC 3/16 1/3 1/3 |
|
Mg1b .25 2/3 2/3 |
|
Mg2b .25 0 2/3 |
|
SiD 5/16 1/3 0 |
|
SiE 17/48 2/3 1/3 |
|
Mg1c 5/12 1/6 1/6 |
|
Mg2c 5/12 0 2/3 |
|
SiF 23/48 5/6 1/6 |
|
O1A 23/24 2/3 1/3 |
|
O2A 1/24 0 2/3 |
|
O3A 1/24 2/3 2/3 |
|
O1B 5/24 2/3 0 |
|
O2B 1/8 0 1/3 |
|
O3B 1/8 2/3 1/3 |
|
O1C 1/8 1/3 1/3 |
|
O2C 5/24 0 0 |
|
O3C 5/24 1/3 0 |
|
O1D 3/8 1/3 0 |
|
O2D 7/24 0 1/3 |
|
O3D 7/24 1/3 1/3 |
|
O1E 7/24 2/3 1/3 |
|
O2E 3/8 0 0 |
|
O3E 3/8 2/3 0 |
|
O1F 13/24 5/6 1/6 |
|
O2F 11/24 0 1/3 |
|
O3F 11/24 2/3 1/3 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #18 based on stacking sequence ABABACBABABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003021 |
|
19.595917 6 3.4641016 90 90 90 P2_1cn |
|
atom x y z |
|
SiA 1/16 1/6 1/3 |
|
SiB 1/48 2/3 1/6 |
|
Mg1a 1/8 2/3 1/2 |
|
Mg2a 1/8 0 1/2 |
|
SiC 3/16 1/3 1/6 |
|
SiD 11/48 5/6 1/3 |
|
Mg1b 7/24 1/6 0 |
|
Mg2b 7/24 0 1/2 |
|
SiE 17/48 5/6 0 |
|
SiF 19/48 1/6 1/3 |
|
Mg1c 11/24 2/3 5/6 |
|
Mg2c 11/24 0 5/6 |
|
O1A 0 1/6 1/3 |
|
O2A 1/12 0 1/6 |
|
O3A 1/12 1/3 1/6 |
|
O1B 1/12 2/3 1/6 |
|
O2B 0 0 5/6 |
|
O3B 0 2/3 5/6 |
|
O1C .25 1/3 1/6 |
|
O2C 1/6 1/2 1/3 |
|
O3C 1/6 1/6 1/3 |
|
O1D 1/6 5/6 1/3 |
|
O2D .25 0 1/6 |
|
O3D .25 2/3 1/6 |
|
O1E 5/12 5/6 0 |
|
O2E 1/3 0 5/6 |
|
O3E 1/3 2/3 5/6 |
|
O1F 1/3 1/6 1/3 |
|
O2F 5/12 0 1/2 |
|
O3F 5/12 1/6 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #19a based on stacking sequence ABABCABCBCAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003022 |
|
19.595917 6 3.4641016 90 90. 90 P2_1/c |
|
atom x y z |
|
SiA 1/48 1/3 1/3 |
|
Mg1a 1/12 2/3 1/3 |
|
Mg2a 1/12 1/2 5/6 |
|
SiB 7/48 1/3 1/3 |
|
SiC 3/16 2/3 0 |
|
Mg1b .25 1/6 1/6 |
|
Mg2b .25 0 2/3 |
|
SiD 5/16 2/3 1/3 |
|
SiE 17/48 1/3 0 |
|
Mg1c 5/12 2/3 0 |
|
Mg2c 5/12 0 0 |
|
SiF 23/48 1/3 1/3 |
|
O1A 23/24 1/3 1/3 |
|
O2A 1/24 0 2/3 |
|
O3A 1/24 1/3 2/3 |
|
O1B 5/24 1/3 1/3 |
|
O2B 1/8 0 0 |
|
O3B 1/8 1/6 1/2 |
|
O1C 1/8 2/3 0 |
|
O2C 5/24 0 1/3 |
|
O3C 5/24 2/3 1/3 |
|
O1D 3/8 2/3 1/3 |
|
O2D 7/24 0 0 |
|
O3D 7/24 2/3 0 |
|
O1E 7/24 1/3 0 |
|
O2E 3/8 0 1/3 |
|
O3E 3/8 1/3 1/3 |
|
O1F 13/24 1/3 1/3 |
|
O2F 11/24 0 2/3 |
|
O3F 11/24 1/3 2/3 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #19b based on stacking sequence ABABCABCBCAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003023 |
|
19.595917 6 3.4641016 90 90. 90 P2/c |
|
atom x y z |
|
Mg1a 0 5/12 1/4 |
|
Mg2a 0 .25 3/4 |
|
SiA 1/16 1/12 1/4 |
|
SiB 5/48 5/12 11/12 |
|
Mg1b 1/6 1/12 11/12 |
|
Mg2b 1/6 .25 5/12 |
|
SiC 11/48 5/12 1/4 |
|
SiD 13/48 1/12 7/12 |
|
Mg1c 1/3 5/12 11/12 |
|
Mg2c 1/3 .25 5/12 |
|
SiE 19/48 1/12 11/12 |
|
SiF 7/16 7/12 1/12 |
|
Mg1d 1/2 1/12 1/4 |
|
Mg2d 1/2 .25 3/4 |
|
O1A 1/8 1/12 1/4 |
|
O2A 1/24 .25 5/12 |
|
O3A 1/24 1/12 11/12 |
|
O1B 1/24 7/12 5/12 |
|
O2B 1/8 3/4 1/4 |
|
O3B 1/8 7/12 3/4 |
|
O1C 7/24 5/12 1/4 |
|
O2C 5/24 .25 1/12 |
|
O3C 5/24 7/12 1/12 |
|
O1D 5/24 1/12 7/12 |
|
O2D 7/24 .25 3/4 |
|
O3D 7/24 1/12 1/4 |
|
O1E 11/24 1/12 11/12 |
|
O2E 3/8 .25 1/12 |
|
O3E 3/8 1/12 7/12 |
|
O1F 3/8 7/12 1/12 |
|
O2F 11/24 .25 5/12 |
|
O3F 11/24 7/12 5/12 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #20a based on stacking sequence ABABCACBACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003024 |
|
19.595917 6 3.4641016 90 90. 90 P2/c |
|
atom x y z |
|
Mg1a 0 5/12 1/4 |
|
Mg2a 0 .25 3/4 |
|
SiA 1/16 1/12 11/12 |
|
SiB 5/48 7/12 1/12 |
|
Mg1b 1/6 1/12 7/12 |
|
Mg2b 1/6 .25 1/12 |
|
SiC 11/48 7/12 1/12 |
|
SiD 13/48 1/12 1/4 |
|
Mg1c 1/3 5/12 11/12 |
|
Mg2c 1/3 .25 5/12 |
|
SiE 7/16 5/12 1/4 |
|
SiF 19/48 1/12 11/12 |
|
Mg1d 1/2 1/12 1/4 |
|
Mg2d 1/2 .25 3/4 |
|
O1A 1/8 1/12 11/12 |
|
O2A 1/24 .25 1/12 |
|
O3A 1/24 1/12 7/12 |
|
O1B 1/24 7/12 1/12 |
|
O2B 1/8 .25 5/12 |
|
O3B 1/8 7/12 5/12 |
|
O1C 7/24 7/12 1/12 |
|
O2C 5/24 3/4 1/4 |
|
O3C 5/24 5/12 1/4 |
|
O1D 5/24 1/12 1/4 |
|
O2D 7/24 .25 1/12 |
|
O3D 7/24 1/12 7/12 |
|
O1E 5/8 5/12 1/4 |
|
O2E 13/24 .25 1/12 |
|
O3E 13/24 7/12 1/12 |
|
O1F 13/24 1/12 7/12 |
|
O2F 5/8 .25 3/4 |
|
O3F 5/8 1/12 1/4 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #20b based on stacking sequence ABABCACBACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003025 |
|
19.595917 6 3.4641016 90 90. 90 P2_1/c |
|
atom x y z |
|
SiA 1/48 2/3 1/6 |
|
Mg1a 1/12 1/6 0 |
|
Mg2a 1/12 0 1/2 |
|
SiB 7/48 5/6 0 |
|
SiC 3/16 1/3 1/6 |
|
Mg1b .25 2/3 1/6 |
|
Mg2b .25 0 1/6 |
|
SiD 5/16 1/6 0 |
|
SiE 17/48 5/6 1/3 |
|
Mg1c 5/12 1/6 1/3 |
|
Mg2c 5/12 0 5/6 |
|
SiF 23/48 5/6 1/3 |
|
O1A 23/24 2/3 1/6 |
|
O2A 1/24 0 5/6 |
|
O3A 1/24 5/6 1/3 |
|
O1B 5/24 5/6 0 |
|
O2B 1/8 0 1/6 |
|
O3B 1/8 2/3 1/6 |
|
O1C 1/8 1/3 1/6 |
|
O2C 5/24 1/2 0 |
|
O3C 5/24 1/6 0 |
|
O1D 3/8 1/6 0 |
|
O2D 7/24 0 5/6 |
|
O3D 7/24 1/6 1/3 |
|
O1E 7/24 5/6 1/3 |
|
O2E 3/8 1/2 0 |
|
O3E 3/8 5/6 0 |
|
O1F 13/24 5/6 1/3 |
|
O2F 11/24 0 1/6 |
|
O3F 11/24 2/3 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #21a based on stacking sequence ABABCACBCBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003026 |
|
19.595917 6 3.4641016 90 90 90 P2_1cn |
|
atom x y z |
|
SiA 1/48 2/3 0 |
|
SiB 1/16 1/6 1/6 |
|
Mg1a 1/8 2/3 1/3 |
|
Mg2a 1/8 0 1/3 |
|
SiC 3/16 1/3 0 |
|
SiD 11/48 5/6 1/6 |
|
Mg1b 7/24 1/6 1/6 |
|
Mg2b 7/24 0 2/3 |
|
SiE 17/48 5/6 1/6 |
|
SiF 19/48 1/3 1/3 |
|
Mg1c 11/24 2/3 0 |
|
Mg2c 11/24 0 0 |
|
O1A 1/12 2/3 0 |
|
O2A 0 0 2/3 |
|
O3A 0 2/3 2/3 |
|
O1B 0 1/6 1/6 |
|
O2B 1/12 0 0 |
|
O3B 1/12 1/3 0 |
|
O1C .25 1/3 0 |
|
O2C 1/6 0 2/3 |
|
O3C 1/6 1/3 2/3 |
|
O1D 1/6 5/6 1/6 |
|
O2D .25 0 0 |
|
O3D .25 2/3 0 |
|
O1E 5/12 5/6 1/6 |
|
O2E 1/3 0 1/3 |
|
O3E 1/3 2/3 1/3 |
|
O1F 1/3 1/3 1/3 |
|
O2F 5/12 0 2/3 |
|
O3F 5/12 1/6 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #21b based on stacking sequence ABABCACBCBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003027 |
|
19.595917 6 3.4641016 90 90 90 P2_1cn |
|
atom x y z |
|
Mg1a 1/24 2/3 1/3 |
|
Mg2a 1/24 1/2 5/6 |
|
SiA 5/48 1/6 1/6 |
|
SiB 7/48 2/3 0 |
|
Mg1b 5/24 1/6 5/6 |
|
Mg2b 5/24 0 1/3 |
|
SiC 13/48 2/3 1/3 |
|
SiD 5/16 1/3 0 |
|
Mg1c 3/8 2/3 0 |
|
Mg2c 3/8 0 0 |
|
SiE 7/16 1/3 1/3 |
|
SiF 23/48 5/6 1/6 |
|
O1A 1/6 1/6 1/6 |
|
O2A 1/12 0 0 |
|
O3A 1/12 1/3 0 |
|
O1B 1/12 2/3 0 |
|
O2B 1/6 0 2/3 |
|
O3B 1/6 2/3 2/3 |
|
O1C 1/3 2/3 1/3 |
|
O2C .25 0 0 |
|
O3C .25 2/3 0 |
|
O1D .25 1/3 0 |
|
O2D 1/3 0 1/3 |
|
O3D 1/3 1/3 1/3 |
|
O1E 1/2 1/3 1/3 |
|
O2E 5/12 0 2/3 |
|
O3E 5/12 1/3 2/3 |
|
O1F 5/12 5/6 1/6 |
|
O2F 1/2 0 1/3 |
|
O3F 1/2 2/3 1/3 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #22a based on stacking sequence ABACBACBACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003028 |
|
19.595917 6 3.4641016 90 90. 90 P2/c |
|
atom x y z |
|
Mg1a 0 5/12 1/4 |
|
Mg2a 0 .25 3/4 |
|
SiA 1/16 1/12 1/4 |
|
SiB 5/48 7/12 1/12 |
|
Mg1b 1/6 1/12 7/12 |
|
Mg2b 1/6 .25 1/12 |
|
SiC 11/48 7/12 1/12 |
|
SiD 13/48 1/12 11/12 |
|
Mg1c 1/3 5/12 11/12 |
|
Mg2c 1/3 .25 5/12 |
|
SiE 19/48 1/12 7/12 |
|
SiF 7/16 5/12 1/4 |
|
Mg1d 1/2 1/12 1/4 |
|
Mg2d 1/2 .25 3/4 |
|
O1A 1/8 1/12 1/4 |
|
O2A 1/24 .25 1/12 |
|
O3A 1/24 1/12 7/12 |
|
O1B 1/24 7/12 1/12 |
|
O2B 1/8 3/4 1/4 |
|
O3B 1/8 5/12 1/4 |
|
O1C 7/24 7/12 1/12 |
|
O2C 5/24 .25 5/12 |
|
O3C 5/24 7/12 5/12 |
|
O1D 5/24 1/12 11/12 |
|
O2D 7/24 .25 1/12 |
|
O3D 7/24 1/12 7/12 |
|
O1E 11/24 1/12 7/12 |
|
O2E 3/8 .25 3/4 |
|
O3E 3/8 1/12 1/4 |
|
O1F 3/8 5/12 1/4 |
|
O2F 11/24 .25 1/12 |
|
O3F 11/24 7/12 1/12 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #22b based on stacking sequence ABACBACBACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003029 |
|
19.595917 6 3.4641016 90 90. 90 P2_1/c |
|
atom x y z |
|
SiA 1/48 5/6 1/6 |
|
Mg1a 1/12 1/6 1/6 |
|
Mg2a 1/12 0 2/3 |
|
SiB 7/48 5/6 1/6 |
|
SiC 3/16 1/3 0 |
|
Mg1b .25 2/3 0 |
|
Mg2b .25 0 0 |
|
SiD 5/16 1/3 0 |
|
SiE 17/48 2/3 1/3 |
|
Mg1c 5/12 1/6 1/6 |
|
Mg2c 5/12 0 2/3 |
|
SiF 23/48 2/3 2/3 |
|
O1A 23/24 5/6 1/6 |
|
O2A 1/24 0 1/3 |
|
O3A 1/24 2/3 1/3 |
|
O1B 5/24 5/6 1/6 |
|
O2B 1/8 0 0 |
|
O3B 1/8 2/3 0 |
|
O1C 1/8 1/3 0 |
|
O2C 5/24 0 2/3 |
|
O3C 5/24 1/6 1/6 |
|
O1D 3/8 1/3 0 |
|
O2D 7/24 0 1/3 |
|
O3D 7/24 1/3 1/3 |
|
O1E 7/24 2/3 1/3 |
|
O2E 3/8 0 0 |
|
O3E 3/8 2/3 0 |
|
O1F 13/24 2/3 2/3 |
|
O2F 11/24 0 1/3 |
|
O3F 11/24 2/3 1/3 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #23 based on stacking sequence ABACBACBCABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003030 |
|
19.595917 6 3.4641016 90 90 90 P2_1cn |
|
atom x y z |
|
SiA 1/48 2/3 0 |
|
SiB 1/16 1/6 1/6 |
|
Mg1a 1/8 2/3 1/3 |
|
Mg2a 1/8 0 1/3 |
|
SiC 3/16 1/3 1/3 |
|
SiD 11/48 5/6 1/6 |
|
Mg1b 7/24 1/6 1/6 |
|
Mg2b 7/24 0 2/3 |
|
SiE 17/48 5/6 1/6 |
|
SiF 19/48 1/3 0 |
|
Mg1c 11/24 2/3 0 |
|
Mg2c 11/24 0 0 |
|
O1A 1/12 2/3 0 |
|
O2A 0 0 2/3 |
|
O3A 0 2/3 2/3 |
|
O1B 0 1/6 1/6 |
|
O2B 1/12 0 0 |
|
O3B 1/12 1/3 0 |
|
O1C .25 1/3 1/3 |
|
O2C 1/6 0 2/3 |
|
O3C 1/6 1/3 2/3 |
|
O1D 1/6 5/6 1/6 |
|
O2D .25 0 1/3 |
|
O3D .25 2/3 1/3 |
|
O1E 5/12 5/6 1/6 |
|
O2E 1/3 0 0 |
|
O3E 1/3 2/3 0 |
|
O1F 1/3 1/3 0 |
|
O2F 5/12 0 2/3 |
|
O3F 5/12 1/6 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #24 based on stacking sequence ABACBCABACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003031 |
|
19.899748 6 3.4641016 90 100.024987862 90 C2/c |
|
atom x y z |
|
Mg1a 0 5/12 3/4 |
|
Mg2a 0 .25 1/4 |
|
SiA 1/16 1/12 13/16 |
|
SiB 5/48 5/12 25/48 |
|
Mg1b 1/6 1/12 1/4 |
|
Mg2b 1/6 .25 3/4 |
|
SiC 11/48 5/12 5/16 |
|
O1A 1/8 1/12 7/8 |
|
O2A 1/24 .25 23/24 |
|
O3A 1/24 1/12 11/24 |
|
O1B 1/24 5/12 11/24 |
|
O2B 1/8 .25 3/8 |
|
O3B 1/8 7/12 3/8 |
|
O1C 7/24 5/12 3/8 |
|
O2C 5/24 3/4 5/8 |
|
O3C 5/24 5/12 5/8 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #25 based on stacking sequence ABABABABABAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003032 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 7/12 1/6 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 11/12 5/6 |
|
SiH 9/16 7/12 1/2 |
|
Mg1d 5/8 11/12 1/6 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 7/12 5/6 |
|
SiK 35/48 11/12 1/2 |
|
Mg1e 19/24 7/12 1/6 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 7/12 1/2 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 1/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 3/4 1/3 |
|
O3H 7/12 5/12 1/3 |
|
O1J 3/4 5/12 1/3 |
|
O2J 2/3 .25 1/2 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 5/6 |
|
O3K 3/4 1/12 1/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #26 based on stacking sequence ABABABABACAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003033 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 7/12 1/6 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 11/12 5/6 |
|
SiH 9/16 7/12 1/2 |
|
Mg1d 5/8 11/12 1/6 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 7/12 1/6 |
|
SiK 35/48 11/12 1/2 |
|
Mg1e 19/24 7/12 5/6 |
|
Mg2e 19/24 .25 5/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 7/12 1/2 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 1/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 3/4 1/3 |
|
O3H 7/12 5/12 1/3 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 .25 1/2 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #27 based on stacking sequence ABABABABACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003034 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 7/12 1/6 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 11/12 5/6 |
|
SiH 9/16 7/12 1/2 |
|
Mg1d 5/8 11/12 1/6 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 7/12 1/6 |
|
SiK 35/48 11/12 1/2 |
|
Mg1e 19/24 7/12 1/2 |
|
Mg2e 19/24 .25 1/2 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 1/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 3/4 1/3 |
|
O3H 7/12 5/12 1/3 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 .25 1/2 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #28 based on stacking sequence ABABABACABAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003035 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 7/12 1/6 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 1/12 2/3 |
|
SiH 9/16 5/12 0 |
|
Mg1d 5/8 1/12 1/3 |
|
Mg2d 5/8 .25 5/6 |
|
SiJ 11/16 7/12 5/6 |
|
SiK 35/48 11/12 1/2 |
|
Mg1e 19/24 7/12 1/6 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 7/12 1/2 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 2/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 .25 1/6 |
|
O3H 7/12 7/12 1/6 |
|
O1J 3/4 5/12 1/3 |
|
O2J 2/3 .25 1/2 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 5/6 |
|
O3K 3/4 1/12 1/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #29a based on stacking sequence ABABABACACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003036 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 7/12 1/6 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 1/12 2/3 |
|
SiH 9/16 5/12 0 |
|
Mg1d 5/8 1/12 1/3 |
|
Mg2d 5/8 .25 5/6 |
|
SiJ 11/16 7/12 1/6 |
|
SiK 35/48 11/12 1/2 |
|
Mg1e 19/24 7/12 1/2 |
|
Mg2e 19/24 .25 1/2 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 2/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 .25 1/6 |
|
O3H 7/12 7/12 1/6 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 .25 1/2 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #29b based on stacking sequence ABABABACACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003037 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/2 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 2/3 |
|
Mg2c 3/8 .25 1/6 |
|
SiE 7/16 11/12 1/2 |
|
SiF 23/48 5/12 1/3 |
|
Mg1d 13/24 1/12 1/3 |
|
Mg2d 13/24 .25 5/6 |
|
SiG 29/48 7/12 1/2 |
|
SiH 31/48 11/12 1/6 |
|
Mg1e 17/24 5/12 1/3 |
|
Mg2e 17/24 .25 5/6 |
|
SiJ 37/48 11/12 5/6 |
|
SiK 13/16 7/12 1/6 |
|
Mg1f 7/8 1/12 0 |
|
Mg2f 7/8 .25 1/2 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 5/12 0 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/2 |
|
O3D 1/3 1/12 0 |
|
O1E 1/2 1/12 0 |
|
O2E 5/12 .25 5/6 |
|
O3E 5/12 1/12 1/3 |
|
O1F 5/12 5/12 1/3 |
|
O2F 1/2 .25 1/2 |
|
O3F 1/2 5/12 0 |
|
O1G 2/3 5/12 0 |
|
O2G 7/12 .25 1/6 |
|
O3G 7/12 7/12 1/6 |
|
O1H 7/12 1/12 2/3 |
|
O2H 2/3 .25 1/2 |
|
O3H 2/3 1/12 0 |
|
O1J 5/6 1/12 1/3 |
|
O2J 3/4 .25 1/6 |
|
O3J 3/4 1/12 2/3 |
|
O1K 3/4 7/12 1/6 |
|
O2K 5/6 3/4 1/3 |
|
O3K 5/6 5/12 1/3 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #30 based on stacking sequence ABABABACBABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003038 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 7/12 1/6 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 1/12 2/3 |
|
SiH 9/16 5/12 0 |
|
Mg1d 5/8 1/12 0 |
|
Mg2d 5/8 .25 1/2 |
|
SiJ 11/16 5/12 0 |
|
SiK 35/48 1/12 1/3 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 2/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 .25 1/6 |
|
O3H 7/12 7/12 1/6 |
|
O1J 3/4 5/12 0 |
|
O2J 2/3 3/4 1/3 |
|
O3J 2/3 5/12 1/3 |
|
O1K 2/3 1/12 1/3 |
|
O2K 3/4 .25 1/2 |
|
O3K 3/4 1/12 0 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #31 based on stacking sequence ABABABACBCBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003039 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 7/12 1/6 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 1/12 2/3 |
|
SiH 9/16 5/12 0 |
|
Mg1d 5/8 1/12 0 |
|
Mg2d 5/8 .25 1/2 |
|
SiJ 11/16 5/12 2/3 |
|
SiK 35/48 1/12 1/3 |
|
Mg1e 19/24 5/12 0 |
|
Mg2e 19/24 .25 1/2 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 2/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 .25 1/6 |
|
O3H 7/12 7/12 1/6 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 3/4 1/3 |
|
O3J 2/3 5/12 1/3 |
|
O1K 2/3 1/12 1/3 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #32a based on stacking sequence ABABABCABCAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003040 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 5/12 0 |
|
Mg2c 11/24 .25 1/2 |
|
SiG 25/48 1/12 0 |
|
SiH 9/16 7/12 1/6 |
|
Mg1d 5/8 1/12 2/3 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 5/12 2/3 |
|
SiK 35/48 1/12 1/3 |
|
Mg1e 19/24 7/12 5/6 |
|
Mg2e 19/24 .25 5/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 7/12 1/2 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 0 |
|
O2G 1/2 .25 1/6 |
|
O3G 1/2 1/12 2/3 |
|
O1H 1/2 7/12 1/6 |
|
O2H 7/12 3/4 0 |
|
O3H 7/12 5/12 0 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 .25 5/6 |
|
O3J 2/3 7/12 5/6 |
|
O1K 2/3 1/12 1/3 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #32b based on stacking sequence ABABABCABCAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003041 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/2 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 2/3 |
|
Mg2c 3/8 .25 1/6 |
|
SiE 7/16 1/12 2/3 |
|
SiF 23/48 5/12 1/3 |
|
Mg1d 13/24 1/12 1/3 |
|
Mg2d 13/24 .25 5/6 |
|
SiG 29/48 7/12 5/6 |
|
SiH 31/48 1/12 0 |
|
Mg1e 17/24 5/12 0 |
|
Mg2e 17/24 .25 1/2 |
|
SiJ 37/48 1/12 0 |
|
SiK 13/16 5/12 2/3 |
|
Mg1f 7/8 1/12 1/3 |
|
Mg2f 7/8 .25 5/6 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 5/12 0 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/2 |
|
O3D 1/3 1/12 0 |
|
O1E 1/2 1/12 2/3 |
|
O2E 5/12 .25 5/6 |
|
O3E 5/12 1/12 1/3 |
|
O1F 5/12 5/12 1/3 |
|
O2F 1/2 .25 1/6 |
|
O3F 1/2 5/12 2/3 |
|
O1G 2/3 7/12 5/6 |
|
O2G 7/12 .25 1/2 |
|
O3G 7/12 5/12 0 |
|
O1H 7/12 1/12 0 |
|
O2H 2/3 .25 5/6 |
|
O3H 2/3 1/12 1/3 |
|
O1J 5/6 1/12 0 |
|
O2J 3/4 .25 1/6 |
|
O3J 3/4 1/12 2/3 |
|
O1K 3/4 7/12 1/6 |
|
O2K 5/6 3/4 0 |
|
O3K 5/6 5/12 0 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #33a based on stacking sequence ABABABCABCBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003042 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 5/12 0 |
|
Mg2c 11/24 .25 1/2 |
|
SiG 25/48 1/12 0 |
|
SiH 9/16 7/12 1/6 |
|
Mg1d 5/8 1/12 2/3 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 5/12 2/3 |
|
SiK 35/48 1/12 1/3 |
|
Mg1e 19/24 5/12 0 |
|
Mg2e 19/24 .25 1/2 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 0 |
|
O2G 1/2 .25 1/6 |
|
O3G 1/2 1/12 2/3 |
|
O1H 1/2 7/12 1/6 |
|
O2H 7/12 3/4 0 |
|
O3H 7/12 5/12 0 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 .25 5/6 |
|
O3J 2/3 7/12 5/6 |
|
O1K 2/3 1/12 1/3 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #33b based on stacking sequence ABABABCABCBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003043 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/2 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 2/3 |
|
Mg2c 3/8 .25 1/6 |
|
SiE 7/16 1/12 2/3 |
|
SiF 23/48 5/12 1/3 |
|
Mg1d 13/24 1/12 1/3 |
|
Mg2d 13/24 .25 5/6 |
|
SiG 29/48 7/12 5/6 |
|
SiH 31/48 1/12 0 |
|
Mg1e 17/24 5/12 0 |
|
Mg2e 17/24 .25 1/2 |
|
SiJ 37/48 1/12 1/3 |
|
SiK 13/16 7/12 1/6 |
|
Mg1f 7/8 1/12 0 |
|
Mg2f 7/8 .25 1/2 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 5/12 0 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/2 |
|
O3D 1/3 1/12 0 |
|
O1E 1/2 1/12 2/3 |
|
O2E 5/12 .25 5/6 |
|
O3E 5/12 1/12 1/3 |
|
O1F 5/12 5/12 1/3 |
|
O2F 1/2 .25 1/6 |
|
O3F 1/2 5/12 2/3 |
|
O1G 2/3 7/12 5/6 |
|
O2G 7/12 .25 1/2 |
|
O3G 7/12 5/12 0 |
|
O1H 7/12 1/12 0 |
|
O2H 2/3 .25 5/6 |
|
O3H 2/3 1/12 1/3 |
|
O1J 5/6 1/12 1/3 |
|
O2J 3/4 .25 1/6 |
|
O3J 3/4 1/12 2/3 |
|
O1K 3/4 7/12 1/6 |
|
O2K 5/6 .25 5/6 |
|
O3K 5/6 5/12 1/3 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #34a based on stacking sequence ABABABCACBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003044 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 5/12 0 |
|
Mg2c 11/24 .25 1/2 |
|
SiG 25/48 1/12 0 |
|
SiH 9/16 7/12 1/6 |
|
Mg1d 5/8 1/12 1/3 |
|
Mg2d 5/8 .25 5/6 |
|
SiJ 11/16 5/12 1/3 |
|
SiK 35/48 1/12 2/3 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 7/12 1/2 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 0 |
|
O2G 1/2 .25 1/6 |
|
O3G 1/2 1/12 2/3 |
|
O1H 1/2 7/12 1/6 |
|
O2H 7/12 3/4 0 |
|
O3H 7/12 5/12 0 |
|
O1J 3/4 5/12 1/3 |
|
O2J 2/3 .25 1/6 |
|
O3J 2/3 7/12 1/6 |
|
O1K 2/3 1/12 2/3 |
|
O2K 3/4 .25 5/6 |
|
O3K 3/4 1/12 1/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #34b based on stacking sequence ABABABCACBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003045 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/2 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 2/3 |
|
Mg2c 3/8 .25 1/6 |
|
SiE 7/16 1/12 2/3 |
|
SiF 23/48 5/12 1/3 |
|
Mg1d 13/24 1/12 1/3 |
|
Mg2d 13/24 .25 5/6 |
|
SiG 29/48 5/12 2/3 |
|
SiH 31/48 1/12 0 |
|
Mg1e 17/24 5/12 0 |
|
Mg2e 17/24 .25 1/2 |
|
SiJ 37/48 1/12 0 |
|
SiK 13/16 5/12 1/3 |
|
Mg1f 7/8 1/12 1/3 |
|
Mg2f 7/8 .25 5/6 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 5/12 0 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/2 |
|
O3D 1/3 1/12 0 |
|
O1E 1/2 1/12 2/3 |
|
O2E 5/12 .25 5/6 |
|
O3E 5/12 1/12 1/3 |
|
O1F 5/12 5/12 1/3 |
|
O2F 1/2 .25 1/6 |
|
O3F 1/2 5/12 2/3 |
|
O1G 2/3 5/12 2/3 |
|
O2G 7/12 .25 1/2 |
|
O3G 7/12 5/12 0 |
|
O1H 7/12 1/12 0 |
|
O2H 2/3 .25 1/6 |
|
O3H 2/3 1/12 2/3 |
|
O1J 5/6 1/12 0 |
|
O2J 3/4 .25 5/6 |
|
O3J 3/4 1/12 1/3 |
|
O1K 3/4 5/12 1/3 |
|
O2K 5/6 3/4 0 |
|
O3K 5/6 5/12 0 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #35a based on stacking sequence ABABABCBACAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003046 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 5/12 0 |
|
Mg2c 11/24 .25 1/2 |
|
SiG 25/48 1/12 1/3 |
|
SiH 9/16 7/12 1/6 |
|
Mg1d 5/8 1/12 2/3 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 7/12 1/6 |
|
SiK 35/48 1/12 0 |
|
Mg1e 19/24 7/12 5/6 |
|
Mg2e 19/24 .25 5/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 7/12 1/2 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 1/3 |
|
O2G 1/2 .25 1/6 |
|
O3G 1/2 1/12 2/3 |
|
O1H 1/2 7/12 1/6 |
|
O2H 7/12 3/4 1/3 |
|
O3H 7/12 5/12 1/3 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 3/4 0 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #35b based on stacking sequence ABABABCBACAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003047 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/2 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 2/3 |
|
Mg2c 3/8 .25 1/6 |
|
SiE 7/16 1/12 2/3 |
|
SiF 23/48 5/12 1/3 |
|
Mg1d 13/24 1/12 0 |
|
Mg2d 13/24 .25 1/2 |
|
SiG 29/48 5/12 0 |
|
SiH 31/48 1/12 1/3 |
|
Mg1e 17/24 5/12 1/3 |
|
Mg2e 17/24 .25 5/6 |
|
SiJ 37/48 1/12 0 |
|
SiK 13/16 5/12 2/3 |
|
Mg1f 7/8 1/12 1/3 |
|
Mg2f 7/8 .25 5/6 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 5/12 0 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/2 |
|
O3D 1/3 1/12 0 |
|
O1E 1/2 1/12 2/3 |
|
O2E 5/12 .25 5/6 |
|
O3E 5/12 1/12 1/3 |
|
O1F 5/12 5/12 1/3 |
|
O2F 1/2 .25 1/6 |
|
O3F 1/2 5/12 2/3 |
|
O1G 2/3 5/12 0 |
|
O2G 7/12 3/4 1/3 |
|
O3G 7/12 5/12 1/3 |
|
O1H 7/12 1/12 1/3 |
|
O2H 2/3 .25 1/2 |
|
O3H 2/3 1/12 0 |
|
O1J 5/6 1/12 0 |
|
O2J 3/4 .25 1/6 |
|
O3J 3/4 1/12 2/3 |
|
O1K 3/4 7/12 1/6 |
|
O2K 5/6 3/4 0 |
|
O3K 5/6 5/12 0 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #36 based on stacking sequence ABABACABACAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003048 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 1/6 |
|
SiF 19/48 1/12 0 |
|
Mg1c 11/24 5/12 1/3 |
|
Mg2c 11/24 .25 5/6 |
|
SiG 25/48 11/12 5/6 |
|
SiH 9/16 7/12 1/2 |
|
Mg1d 5/8 11/12 1/6 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 7/12 1/6 |
|
SiK 35/48 11/12 1/2 |
|
Mg1e 19/24 7/12 5/6 |
|
Mg2e 19/24 .25 5/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 7/12 1/2 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 7/12 1/6 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 1/6 |
|
O3F 5/12 1/12 2/3 |
|
O1G 7/12 1/12 1/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 3/4 1/3 |
|
O3H 7/12 5/12 1/3 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 .25 1/2 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #37a based on stacking sequence ABABACABACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003049 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 1/6 |
|
SiF 19/48 1/12 0 |
|
Mg1c 11/24 5/12 1/3 |
|
Mg2c 11/24 .25 5/6 |
|
SiG 25/48 11/12 5/6 |
|
SiH 9/16 7/12 1/2 |
|
Mg1d 5/8 11/12 1/6 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 7/12 1/6 |
|
SiK 35/48 11/12 1/2 |
|
Mg1e 19/24 7/12 1/2 |
|
Mg2e 19/24 .25 1/2 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 7/12 1/6 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 1/6 |
|
O3F 5/12 1/12 2/3 |
|
O1G 7/12 1/12 1/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 3/4 1/3 |
|
O3H 7/12 5/12 1/3 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 .25 1/2 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #37b based on stacking sequence ABABACABACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003050 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/2 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 1/3 |
|
Mg2c 3/8 .25 5/6 |
|
SiE 7/16 1/12 0 |
|
SiF 23/48 7/12 1/6 |
|
Mg1d 13/24 1/12 2/3 |
|
Mg2d 13/24 .25 1/6 |
|
SiG 29/48 5/12 0 |
|
SiH 31/48 1/12 1/3 |
|
Mg1e 17/24 5/12 1/3 |
|
Mg2e 17/24 .25 5/6 |
|
SiJ 37/48 11/12 5/6 |
|
SiK 13/16 7/12 1/6 |
|
Mg1f 7/8 1/12 0 |
|
Mg2f 7/8 .25 1/2 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 5/12 0 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/2 |
|
O3D 1/3 1/12 0 |
|
O1E 1/2 1/12 0 |
|
O2E 5/12 .25 1/6 |
|
O3E 5/12 1/12 2/3 |
|
O1F 5/12 7/12 1/6 |
|
O2F 1/2 3/4 0 |
|
O3F 1/2 5/12 0 |
|
O1G 2/3 5/12 0 |
|
O2G 7/12 3/4 1/3 |
|
O3G 7/12 5/12 1/3 |
|
O1H 7/12 1/12 1/3 |
|
O2H 2/3 .25 1/2 |
|
O3H 2/3 1/12 0 |
|
O1J 5/6 1/12 1/3 |
|
O2J 3/4 .25 1/6 |
|
O3J 3/4 1/12 2/3 |
|
O1K 3/4 7/12 1/6 |
|
O2K 5/6 3/4 1/3 |
|
O3K 5/6 5/12 1/3 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #38a based on stacking sequence ABABACABCABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003051 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 1/6 |
|
SiF 19/48 1/12 0 |
|
Mg1c 11/24 5/12 1/3 |
|
Mg2c 11/24 .25 5/6 |
|
SiG 25/48 11/12 5/6 |
|
SiH 9/16 7/12 1/2 |
|
Mg1d 5/8 1/12 0 |
|
Mg2d 5/8 .25 1/2 |
|
SiJ 11/16 5/12 0 |
|
SiK 35/48 1/12 2/3 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 7/12 1/6 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 1/6 |
|
O3F 5/12 1/12 2/3 |
|
O1G 7/12 1/12 1/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 3/4 1/3 |
|
O3H 7/12 5/12 1/3 |
|
O1J 3/4 5/12 0 |
|
O2J 2/3 .25 1/6 |
|
O3J 2/3 7/12 1/6 |
|
O1K 2/3 1/12 2/3 |
|
O2K 3/4 .25 1/2 |
|
O3K 3/4 1/12 0 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #38b based on stacking sequence ABABACABCABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003052 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/2 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 1/3 |
|
Mg2c 3/8 .25 5/6 |
|
SiE 7/16 1/12 0 |
|
SiF 23/48 7/12 1/6 |
|
Mg1d 13/24 1/12 2/3 |
|
Mg2d 13/24 .25 1/6 |
|
SiG 29/48 7/12 1/6 |
|
SiH 31/48 1/12 1/3 |
|
Mg1e 17/24 5/12 1/3 |
|
Mg2e 17/24 .25 5/6 |
|
SiJ 37/48 1/12 1/3 |
|
SiK 13/16 5/12 0 |
|
Mg1f 7/8 1/12 0 |
|
Mg2f 7/8 .25 1/2 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 5/12 0 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/2 |
|
O3D 1/3 1/12 0 |
|
O1E 1/2 1/12 0 |
|
O2E 5/12 .25 1/6 |
|
O3E 5/12 1/12 2/3 |
|
O1F 5/12 7/12 1/6 |
|
O2F 1/2 3/4 0 |
|
O3F 1/2 5/12 0 |
|
O1G 2/3 7/12 1/6 |
|
O2G 7/12 3/4 1/3 |
|
O3G 7/12 5/12 1/3 |
|
O1H 7/12 1/12 1/3 |
|
O2H 2/3 .25 1/6 |
|
O3H 2/3 1/12 2/3 |
|
O1J 5/6 1/12 1/3 |
|
O2J 3/4 .25 1/2 |
|
O3J 3/4 1/12 0 |
|
O1K 3/4 5/12 0 |
|
O2K 5/6 3/4 1/3 |
|
O3K 5/6 5/12 1/3 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #39 based on stacking sequence ABABACABCBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003053 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 1/6 |
|
SiF 19/48 1/12 0 |
|
Mg1c 11/24 5/12 1/3 |
|
Mg2c 11/24 .25 5/6 |
|
SiG 25/48 11/12 5/6 |
|
SiH 9/16 7/12 1/2 |
|
Mg1d 5/8 1/12 0 |
|
Mg2d 5/8 .25 1/2 |
|
SiJ 11/16 5/12 1/3 |
|
SiK 35/48 1/12 2/3 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 0 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 7/12 1/6 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 1/6 |
|
O3F 5/12 1/12 2/3 |
|
O1G 7/12 1/12 1/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 3/4 1/3 |
|
O3H 7/12 5/12 1/3 |
|
O1J 3/4 5/12 1/3 |
|
O2J 2/3 .25 1/6 |
|
O3J 2/3 7/12 1/6 |
|
O1K 2/3 1/12 2/3 |
|
O2K 3/4 .25 5/6 |
|
O3K 3/4 1/12 1/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #40a based on stacking sequence ABABACACBABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003054 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 1/6 |
|
SiF 19/48 1/12 0 |
|
Mg1c 11/24 5/12 1/3 |
|
Mg2c 11/24 .25 5/6 |
|
SiG 25/48 1/12 2/3 |
|
SiH 9/16 5/12 0 |
|
Mg1d 5/8 1/12 0 |
|
Mg2d 5/8 .25 1/2 |
|
SiJ 11/16 5/12 0 |
|
SiK 35/48 1/12 1/3 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 7/12 1/6 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 1/6 |
|
O3F 5/12 1/12 2/3 |
|
O1G 7/12 1/12 2/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 .25 1/6 |
|
O3H 7/12 7/12 1/6 |
|
O1J 3/4 5/12 0 |
|
O2J 2/3 3/4 1/3 |
|
O3J 2/3 5/12 1/3 |
|
O1K 2/3 1/12 1/3 |
|
O2K 3/4 .25 1/2 |
|
O3K 3/4 1/12 0 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #40b based on stacking sequence ABABACACBABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003055 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/2 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 1/3 |
|
Mg2c 3/8 .25 5/6 |
|
SiE 7/16 1/12 0 |
|
SiF 23/48 7/12 1/6 |
|
Mg1d 13/24 1/12 1/3 |
|
Mg2d 13/24 .25 5/6 |
|
SiG 29/48 5/12 1/3 |
|
SiH 31/48 1/12 2/3 |
|
Mg1e 17/24 5/12 2/3 |
|
Mg2e 17/24 .25 1/6 |
|
SiJ 37/48 1/12 1/3 |
|
SiK 13/16 5/12 0 |
|
Mg1f 7/8 1/12 0 |
|
Mg2f 7/8 .25 1/2 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 5/12 0 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/2 |
|
O3D 1/3 1/12 0 |
|
O1E 1/2 1/12 0 |
|
O2E 5/12 .25 1/6 |
|
O3E 5/12 1/12 2/3 |
|
O1F 5/12 7/12 1/6 |
|
O2F 1/2 3/4 0 |
|
O3F 1/2 5/12 0 |
|
O1G 2/3 5/12 1/3 |
|
O2G 7/12 .25 1/6 |
|
O3G 7/12 7/12 1/6 |
|
O1H 7/12 1/12 2/3 |
|
O2H 2/3 .25 5/6 |
|
O3H 2/3 1/12 1/3 |
|
O1J 5/6 1/12 1/3 |
|
O2J 3/4 .25 1/2 |
|
O3J 3/4 1/12 0 |
|
O1K 3/4 5/12 0 |
|
O2K 5/6 3/4 1/3 |
|
O3K 5/6 5/12 1/3 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #41 based on stacking sequence ABABACACBCAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003056 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 1/6 |
|
SiF 19/48 1/12 0 |
|
Mg1c 11/24 5/12 1/3 |
|
Mg2c 11/24 .25 5/6 |
|
SiG 25/48 1/12 2/3 |
|
SiH 9/16 5/12 0 |
|
Mg1d 5/8 1/12 0 |
|
Mg2d 5/8 .25 1/2 |
|
SiJ 11/16 7/12 1/6 |
|
SiK 35/48 1/12 1/3 |
|
Mg1e 19/24 5/12 1/3 |
|
Mg2e 19/24 .25 5/6 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 0 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 7/12 1/6 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 1/6 |
|
O3F 5/12 1/12 2/3 |
|
O1G 7/12 1/12 2/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 .25 1/6 |
|
O3H 7/12 7/12 1/6 |
|
O1J 3/4 7/12 1/6 |
|
O2J 2/3 3/4 1/3 |
|
O3J 2/3 5/12 1/3 |
|
O1K 2/3 1/12 1/3 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #42a based on stacking sequence ABABACBABCBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003057 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 1/6 |
|
SiF 19/48 1/12 0 |
|
Mg1c 11/24 5/12 0 |
|
Mg2c 11/24 .25 1/2 |
|
SiG 25/48 1/12 0 |
|
SiH 9/16 5/12 1/3 |
|
Mg1d 5/8 1/12 2/3 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 5/12 2/3 |
|
SiK 35/48 1/12 1/3 |
|
Mg1e 19/24 5/12 0 |
|
Mg2e 19/24 .25 1/2 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 7/12 1/6 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 1/6 |
|
O3F 5/12 1/12 2/3 |
|
O1G 7/12 1/12 0 |
|
O2G 1/2 .25 5/6 |
|
O3G 1/2 1/12 1/3 |
|
O1H 1/2 5/12 1/3 |
|
O2H 7/12 3/4 0 |
|
O3H 7/12 5/12 0 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 .25 5/6 |
|
O3J 2/3 7/12 5/6 |
|
O1K 2/3 1/12 1/3 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #42b based on stacking sequence ABABACBABCBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003058 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/2 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 1/3 |
|
Mg2c 3/8 .25 5/6 |
|
SiE 7/16 1/12 1/3 |
|
SiF 23/48 7/12 1/6 |
|
Mg1d 13/24 1/12 2/3 |
|
Mg2d 13/24 .25 1/6 |
|
SiG 29/48 7/12 5/6 |
|
SiH 31/48 1/12 0 |
|
Mg1e 17/24 5/12 0 |
|
Mg2e 17/24 .25 1/2 |
|
SiJ 37/48 1/12 1/3 |
|
SiK 13/16 7/12 1/6 |
|
Mg1f 7/8 1/12 0 |
|
Mg2f 7/8 .25 1/2 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 5/12 0 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/2 |
|
O3D 1/3 1/12 0 |
|
O1E 1/2 1/12 1/3 |
|
O2E 5/12 .25 1/6 |
|
O3E 5/12 1/12 2/3 |
|
O1F 5/12 7/12 1/6 |
|
O2F 1/2 3/4 1/3 |
|
O3F 1/2 5/12 1/3 |
|
O1G 2/3 7/12 5/6 |
|
O2G 7/12 .25 1/2 |
|
O3G 7/12 5/12 0 |
|
O1H 7/12 1/12 0 |
|
O2H 2/3 .25 5/6 |
|
O3H 2/3 1/12 1/3 |
|
O1J 5/6 1/12 1/3 |
|
O2J 3/4 .25 1/6 |
|
O3J 3/4 1/12 2/3 |
|
O1K 3/4 7/12 1/6 |
|
O2K 5/6 .25 5/6 |
|
O3K 5/6 5/12 1/3 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #43 based on stacking sequence ABABACBACABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003059 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 1/6 |
|
SiF 19/48 1/12 0 |
|
Mg1c 11/24 5/12 0 |
|
Mg2c 11/24 .25 1/2 |
|
SiG 25/48 1/12 0 |
|
SiH 9/16 5/12 1/3 |
|
Mg1d 5/8 1/12 1/3 |
|
Mg2d 5/8 .25 5/6 |
|
SiJ 11/16 5/12 0 |
|
SiK 35/48 1/12 2/3 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 7/12 1/6 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 1/6 |
|
O3F 5/12 1/12 2/3 |
|
O1G 7/12 1/12 0 |
|
O2G 1/2 .25 5/6 |
|
O3G 1/2 1/12 1/3 |
|
O1H 1/2 5/12 1/3 |
|
O2H 7/12 3/4 0 |
|
O3H 7/12 5/12 0 |
|
O1J 3/4 5/12 0 |
|
O2J 2/3 .25 1/6 |
|
O3J 2/3 7/12 1/6 |
|
O1K 2/3 1/12 2/3 |
|
O2K 3/4 .25 1/2 |
|
O3K 3/4 1/12 0 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #44 based on stacking sequence ABABACBCACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003060 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 11/12 1/6 |
|
Mg2b 7/24 .25 1/6 |
|
SiE 17/48 7/12 1/6 |
|
SiF 19/48 1/12 0 |
|
Mg1c 11/24 5/12 0 |
|
Mg2c 11/24 .25 1/2 |
|
SiG 25/48 1/12 2/3 |
|
SiH 9/16 5/12 1/3 |
|
Mg1d 5/8 1/12 1/3 |
|
Mg2d 5/8 .25 5/6 |
|
SiJ 11/16 7/12 1/6 |
|
SiK 35/48 1/12 0 |
|
Mg1e 19/24 5/12 0 |
|
Mg2e 19/24 .25 1/2 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 7/12 1/6 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 1/6 |
|
O3F 5/12 1/12 2/3 |
|
O1G 7/12 1/12 2/3 |
|
O2G 1/2 .25 5/6 |
|
O3G 1/2 1/12 1/3 |
|
O1H 1/2 5/12 1/3 |
|
O2H 7/12 .25 1/6 |
|
O3H 7/12 7/12 1/6 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 3/4 0 |
|
O3J 2/3 1/12 0 |
|
O1K 2/3 5/12 0 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #45a based on stacking sequence ABABCABABCAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003061 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 1/12 0 |
|
Mg2b 7/24 .25 1/2 |
|
SiE 17/48 5/12 0 |
|
SiF 19/48 1/12 2/3 |
|
Mg1c 11/24 5/12 2/3 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 1/12 0 |
|
SiH 9/16 5/12 1/3 |
|
Mg1d 5/8 1/12 2/3 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 5/12 2/3 |
|
SiK 35/48 1/12 1/3 |
|
Mg1e 19/24 7/12 5/6 |
|
Mg2e 19/24 .25 5/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 7/12 1/2 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 0 |
|
O2E 1/3 .25 1/6 |
|
O3E 1/3 7/12 1/6 |
|
O1F 1/3 1/12 2/3 |
|
O2F 5/12 .25 1/2 |
|
O3F 5/12 1/12 0 |
|
O1G 7/12 1/12 0 |
|
O2G 1/2 .25 5/6 |
|
O3G 1/2 1/12 1/3 |
|
O1H 1/2 5/12 1/3 |
|
O2H 7/12 3/4 0 |
|
O3H 7/12 5/12 0 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 .25 5/6 |
|
O3J 2/3 7/12 5/6 |
|
O1K 2/3 1/12 1/3 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #45b based on stacking sequence ABABCABABCAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003062 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/6 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 1/3 |
|
Mg2c 3/8 .25 5/6 |
|
SiE 7/16 1/12 1/3 |
|
SiF 23/48 5/12 0 |
|
Mg1d 13/24 1/12 2/3 |
|
Mg2d 13/24 .25 1/6 |
|
SiG 29/48 7/12 5/6 |
|
SiH 31/48 1/12 0 |
|
Mg1e 17/24 5/12 0 |
|
Mg2e 17/24 .25 1/2 |
|
SiJ 37/48 1/12 0 |
|
SiK 13/16 5/12 2/3 |
|
Mg1f 7/8 1/12 1/3 |
|
Mg2f 7/8 .25 5/6 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 7/12 1/6 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/6 |
|
O3D 1/3 1/12 2/3 |
|
O1E 1/2 1/12 1/3 |
|
O2E 5/12 .25 1/2 |
|
O3E 5/12 1/12 0 |
|
O1F 5/12 5/12 0 |
|
O2F 1/2 3/4 1/3 |
|
O3F 1/2 5/12 1/3 |
|
O1G 2/3 7/12 5/6 |
|
O2G 7/12 .25 1/2 |
|
O3G 7/12 5/12 0 |
|
O1H 7/12 1/12 0 |
|
O2H 2/3 .25 5/6 |
|
O3H 2/3 1/12 1/3 |
|
O1J 5/6 1/12 0 |
|
O2J 3/4 .25 1/6 |
|
O3J 3/4 1/12 2/3 |
|
O1K 3/4 7/12 1/6 |
|
O2K 5/6 3/4 0 |
|
O3K 5/6 5/12 0 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #46a based on stacking sequence ABABCABACABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003063 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 1/12 0 |
|
Mg2b 7/24 .25 1/2 |
|
SiE 17/48 5/12 0 |
|
SiF 19/48 1/12 2/3 |
|
Mg1c 11/24 5/12 2/3 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 1/12 0 |
|
SiH 9/16 5/12 1/3 |
|
Mg1d 5/8 1/12 1/3 |
|
Mg2d 5/8 .25 5/6 |
|
SiJ 11/16 5/12 0 |
|
SiK 35/48 1/12 2/3 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 0 |
|
O2E 1/3 .25 1/6 |
|
O3E 1/3 7/12 1/6 |
|
O1F 1/3 1/12 2/3 |
|
O2F 5/12 .25 1/2 |
|
O3F 5/12 1/12 0 |
|
O1G 7/12 1/12 0 |
|
O2G 1/2 .25 5/6 |
|
O3G 1/2 1/12 1/3 |
|
O1H 1/2 5/12 1/3 |
|
O2H 7/12 3/4 0 |
|
O3H 7/12 5/12 0 |
|
O1J 3/4 5/12 0 |
|
O2J 2/3 .25 1/6 |
|
O3J 2/3 7/12 1/6 |
|
O1K 2/3 1/12 2/3 |
|
O2K 3/4 .25 1/2 |
|
O3K 3/4 1/12 0 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #46b based on stacking sequence ABABCABACABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003064 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/6 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 1/3 |
|
Mg2c 3/8 .25 5/6 |
|
SiE 7/16 1/12 1/3 |
|
SiF 23/48 5/12 0 |
|
Mg1d 13/24 1/12 2/3 |
|
Mg2d 13/24 .25 1/6 |
|
SiG 29/48 7/12 1/6 |
|
SiH 31/48 1/12 0 |
|
Mg1e 17/24 5/12 1/3 |
|
Mg2e 17/24 .25 5/6 |
|
SiJ 37/48 1/12 1/3 |
|
SiK 13/16 5/12 0 |
|
Mg1f 7/8 1/12 0 |
|
Mg2f 7/8 .25 1/2 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 7/12 1/6 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/6 |
|
O3D 1/3 1/12 2/3 |
|
O1E 1/2 1/12 1/3 |
|
O2E 5/12 .25 1/2 |
|
O3E 5/12 1/12 0 |
|
O1F 5/12 5/12 0 |
|
O2F 1/2 3/4 1/3 |
|
O3F 1/2 5/12 1/3 |
|
O1G 2/3 7/12 1/6 |
|
O2G 7/12 .25 1/2 |
|
O3G 7/12 5/12 0 |
|
O1H 7/12 1/12 0 |
|
O2H 2/3 .25 1/6 |
|
O3H 2/3 1/12 2/3 |
|
O1J 5/6 1/12 1/3 |
|
O2J 3/4 .25 1/2 |
|
O3J 3/4 1/12 0 |
|
O1K 3/4 5/12 0 |
|
O2K 5/6 3/4 1/3 |
|
O3K 5/6 5/12 1/3 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #47a based on stacking sequence ABABCABACBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003065 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 1/12 0 |
|
Mg2b 7/24 .25 1/2 |
|
SiE 17/48 5/12 0 |
|
SiF 19/48 1/12 2/3 |
|
Mg1c 11/24 5/12 2/3 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 1/12 0 |
|
SiH 9/16 5/12 1/3 |
|
Mg1d 5/8 1/12 1/3 |
|
Mg2d 5/8 .25 5/6 |
|
SiJ 11/16 5/12 1/3 |
|
SiK 35/48 1/12 2/3 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 0 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 0 |
|
O2E 1/3 .25 1/6 |
|
O3E 1/3 7/12 1/6 |
|
O1F 1/3 1/12 2/3 |
|
O2F 5/12 .25 1/2 |
|
O3F 5/12 1/12 0 |
|
O1G 7/12 1/12 0 |
|
O2G 1/2 .25 5/6 |
|
O3G 1/2 1/12 1/3 |
|
O1H 1/2 5/12 1/3 |
|
O2H 7/12 3/4 0 |
|
O3H 7/12 5/12 0 |
|
O1J 3/4 5/12 1/3 |
|
O2J 2/3 .25 1/6 |
|
O3J 2/3 7/12 1/6 |
|
O1K 2/3 1/12 2/3 |
|
O2K 3/4 .25 5/6 |
|
O3K 3/4 1/12 1/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #47b based on stacking sequence ABABCABACBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003066 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/6 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 1/3 |
|
Mg2c 3/8 .25 5/6 |
|
SiE 7/16 1/12 1/3 |
|
SiF 23/48 5/12 0 |
|
Mg1d 13/24 1/12 2/3 |
|
Mg2d 13/24 .25 1/6 |
|
SiG 29/48 7/12 1/6 |
|
SiH 31/48 1/12 0 |
|
Mg1e 17/24 5/12 0 |
|
Mg2e 17/24 .25 1/2 |
|
SiJ 37/48 1/12 0 |
|
SiK 13/16 5/12 1/3 |
|
Mg1f 7/8 1/12 1/3 |
|
Mg2f 7/8 .25 5/6 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 7/12 1/6 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/6 |
|
O3D 1/3 1/12 2/3 |
|
O1E 1/2 1/12 1/3 |
|
O2E 5/12 .25 1/2 |
|
O3E 5/12 1/12 0 |
|
O1F 5/12 5/12 0 |
|
O2F 1/2 3/4 1/3 |
|
O3F 1/2 5/12 1/3 |
|
O1G 2/3 7/12 1/6 |
|
O2G 7/12 .25 1/2 |
|
O3G 7/12 5/12 0 |
|
O1H 7/12 1/12 0 |
|
O2H 2/3 .25 1/6 |
|
O3H 2/3 1/12 2/3 |
|
O1J 5/6 1/12 0 |
|
O2J 3/4 .25 5/6 |
|
O3J 3/4 1/12 1/3 |
|
O1K 3/4 5/12 1/3 |
|
O2K 5/6 3/4 0 |
|
O3K 5/6 5/12 0 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #48a based on stacking sequence ABABCABCABAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003067 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 1/12 0 |
|
Mg2b 7/24 .25 1/2 |
|
SiE 17/48 5/12 0 |
|
SiF 19/48 1/12 2/3 |
|
Mg1c 11/24 5/12 2/3 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 1/12 2/3 |
|
SiH 9/16 5/12 1/3 |
|
Mg1d 5/8 1/12 1/3 |
|
Mg2d 5/8 .25 5/6 |
|
SiJ 11/16 5/12 1/3 |
|
SiK 35/48 1/12 0 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 0 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 0 |
|
O2E 1/3 .25 1/6 |
|
O3E 1/3 7/12 1/6 |
|
O1F 1/3 1/12 2/3 |
|
O2F 5/12 .25 1/2 |
|
O3F 5/12 1/12 0 |
|
O1G 7/12 1/12 2/3 |
|
O2G 1/2 .25 5/6 |
|
O3G 1/2 1/12 1/3 |
|
O1H 1/2 5/12 1/3 |
|
O2H 7/12 .25 1/6 |
|
O3H 7/12 7/12 1/6 |
|
O1J 3/4 5/12 1/3 |
|
O2J 2/3 3/4 0 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 5/6 |
|
O3K 3/4 1/12 1/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #48b based on stacking sequence ABABCABCABAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003068 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/6 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 1/3 |
|
Mg2c 3/8 .25 5/6 |
|
SiE 7/16 1/12 1/3 |
|
SiF 23/48 5/12 0 |
|
Mg1d 13/24 1/12 0 |
|
Mg2d 13/24 .25 1/2 |
|
SiG 29/48 5/12 0 |
|
SiH 31/48 1/12 2/3 |
|
Mg1e 17/24 5/12 2/3 |
|
Mg2e 17/24 .25 1/6 |
|
SiJ 37/48 1/12 0 |
|
SiK 13/16 5/12 1/3 |
|
Mg1f 7/8 1/12 1/3 |
|
Mg2f 7/8 .25 5/6 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 7/12 1/6 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/6 |
|
O3D 1/3 1/12 2/3 |
|
O1E 1/2 1/12 1/3 |
|
O2E 5/12 .25 1/2 |
|
O3E 5/12 1/12 0 |
|
O1F 5/12 5/12 0 |
|
O2F 1/2 3/4 1/3 |
|
O3F 1/2 5/12 1/3 |
|
O1G 2/3 5/12 0 |
|
O2G 7/12 .25 1/6 |
|
O3G 7/12 7/12 1/6 |
|
O1H 7/12 1/12 2/3 |
|
O2H 2/3 .25 1/2 |
|
O3H 2/3 1/12 0 |
|
O1J 5/6 1/12 0 |
|
O2J 3/4 .25 5/6 |
|
O3J 3/4 1/12 1/3 |
|
O1K 3/4 5/12 1/3 |
|
O2K 5/6 3/4 0 |
|
O3K 5/6 5/12 0 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #49a based on stacking sequence ABABCABCACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003069 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 1/12 0 |
|
Mg2b 7/24 .25 1/2 |
|
SiE 17/48 5/12 0 |
|
SiF 19/48 1/12 2/3 |
|
Mg1c 11/24 5/12 2/3 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 1/12 2/3 |
|
SiH 9/16 5/12 1/3 |
|
Mg1d 5/8 1/12 1/3 |
|
Mg2d 5/8 .25 5/6 |
|
SiJ 11/16 7/12 1/6 |
|
SiK 35/48 1/12 0 |
|
Mg1e 19/24 5/12 0 |
|
Mg2e 19/24 .25 1/2 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 0 |
|
O2E 1/3 .25 1/6 |
|
O3E 1/3 7/12 1/6 |
|
O1F 1/3 1/12 2/3 |
|
O2F 5/12 .25 1/2 |
|
O3F 5/12 1/12 0 |
|
O1G 7/12 1/12 2/3 |
|
O2G 1/2 .25 5/6 |
|
O3G 1/2 1/12 1/3 |
|
O1H 1/2 5/12 1/3 |
|
O2H 7/12 .25 1/6 |
|
O3H 7/12 7/12 1/6 |
|
O1J 3/4 7/12 1/6 |
|
O2J 2/3 3/4 0 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #49b based on stacking sequence ABABCABCACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003070 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/6 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 1/3 |
|
Mg2c 3/8 .25 5/6 |
|
SiE 7/16 1/12 1/3 |
|
SiF 23/48 5/12 0 |
|
Mg1d 13/24 1/12 0 |
|
Mg2d 13/24 .25 1/2 |
|
SiG 29/48 5/12 0 |
|
SiH 31/48 1/12 2/3 |
|
Mg1e 17/24 5/12 1/3 |
|
Mg2e 17/24 .25 5/6 |
|
SiJ 37/48 1/12 1/3 |
|
SiK 13/16 7/12 1/6 |
|
Mg1f 7/8 1/12 0 |
|
Mg2f 7/8 .25 1/2 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 7/12 1/6 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/6 |
|
O3D 1/3 1/12 2/3 |
|
O1E 1/2 1/12 1/3 |
|
O2E 5/12 .25 1/2 |
|
O3E 5/12 1/12 0 |
|
O1F 5/12 5/12 0 |
|
O2F 1/2 3/4 1/3 |
|
O3F 1/2 5/12 1/3 |
|
O1G 2/3 5/12 0 |
|
O2G 7/12 .25 1/6 |
|
O3G 7/12 7/12 1/6 |
|
O1H 7/12 1/12 2/3 |
|
O2H 2/3 .25 1/2 |
|
O3H 2/3 1/12 0 |
|
O1J 5/6 1/12 1/3 |
|
O2J 3/4 .25 1/6 |
|
O3J 3/4 1/12 2/3 |
|
O1K 3/4 7/12 1/6 |
|
O2K 5/6 3/4 1/3 |
|
O3K 5/6 5/12 1/3 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #50 based on stacking sequence ABABCACBABAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003071 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 1/12 0 |
|
Mg2b 7/24 .25 1/2 |
|
SiE 17/48 5/12 0 |
|
SiF 19/48 1/12 2/3 |
|
Mg1c 11/24 5/12 1/3 |
|
Mg2c 11/24 .25 5/6 |
|
SiG 25/48 1/12 1/3 |
|
SiH 9/16 7/12 1/6 |
|
Mg1d 5/8 1/12 2/3 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 5/12 1/3 |
|
SiK 35/48 1/12 0 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 0 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 0 |
|
O2E 1/3 .25 1/6 |
|
O3E 1/3 7/12 1/6 |
|
O1F 1/3 1/12 2/3 |
|
O2F 5/12 .25 1/2 |
|
O3F 5/12 1/12 0 |
|
O1G 7/12 1/12 1/3 |
|
O2G 1/2 .25 1/6 |
|
O3G 1/2 1/12 2/3 |
|
O1H 1/2 7/12 1/6 |
|
O2H 7/12 3/4 1/3 |
|
O3H 7/12 5/12 1/3 |
|
O1J 3/4 5/12 1/3 |
|
O2J 2/3 3/4 0 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 5/6 |
|
O3K 3/4 1/12 1/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #51a based on stacking sequence ABABCBABCBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003072 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 1/12 0 |
|
Mg2b 7/24 .25 1/2 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 1/12 2/3 |
|
Mg1c 11/24 5/12 2/3 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 11/12 5/6 |
|
SiH 9/16 7/12 1/2 |
|
Mg1d 5/8 1/12 0 |
|
Mg2d 5/8 .25 1/2 |
|
SiJ 11/16 5/12 1/3 |
|
SiK 35/48 1/12 2/3 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 0 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 7/12 5/6 |
|
O2E 1/3 .25 1/6 |
|
O3E 1/3 7/12 1/6 |
|
O1F 1/3 1/12 2/3 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 1/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 3/4 1/3 |
|
O3H 7/12 5/12 1/3 |
|
O1J 3/4 5/12 1/3 |
|
O2J 2/3 .25 1/6 |
|
O3J 2/3 7/12 1/6 |
|
O1K 2/3 1/12 2/3 |
|
O2K 3/4 .25 5/6 |
|
O3K 3/4 1/12 1/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #51b based on stacking sequence ABABCBABCBAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003073 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
Mg1a 1/24 7/12 1/6 |
|
Mg2a 1/24 .25 1/6 |
|
SiA 5/48 1/12 0 |
|
SiB 7/48 5/12 1/3 |
|
Mg1b 5/24 1/12 2/3 |
|
Mg2b 5/24 .25 1/6 |
|
SiC 13/48 7/12 1/6 |
|
SiD 5/16 1/12 1/3 |
|
Mg1c 3/8 5/12 0 |
|
Mg2c 3/8 .25 1/2 |
|
SiE 7/16 1/12 0 |
|
SiF 23/48 5/12 1/3 |
|
Mg1d 13/24 1/12 2/3 |
|
Mg2d 13/24 .25 1/6 |
|
SiG 29/48 7/12 1/6 |
|
SiH 31/48 1/12 1/3 |
|
Mg1e 17/24 5/12 0 |
|
Mg2e 17/24 .25 1/2 |
|
SiJ 37/48 1/12 0 |
|
SiK 13/16 5/12 1/3 |
|
Mg1f 7/8 1/12 1/3 |
|
Mg2f 7/8 .25 5/6 |
|
SiL 15/16 7/12 1/2 |
|
SiM 47/48 11/12 1/6 |
|
O1A 1/6 1/12 0 |
|
O2A 1/12 .25 5/6 |
|
O3A 1/12 1/12 1/3 |
|
O1B 1/12 5/12 1/3 |
|
O2B 1/6 .25 1/2 |
|
O3B 1/6 5/12 0 |
|
O1C 1/3 7/12 1/6 |
|
O2C .25 3/4 1/3 |
|
O3C .25 5/12 1/3 |
|
O1D .25 1/12 1/3 |
|
O2D 1/3 .25 1/6 |
|
O3D 1/3 1/12 2/3 |
|
O1E 1/2 1/12 0 |
|
O2E 5/12 .25 5/6 |
|
O3E 5/12 1/12 1/3 |
|
O1F 5/12 5/12 1/3 |
|
O2F 1/2 3/4 0 |
|
O3F 1/2 5/12 0 |
|
O1G 2/3 7/12 1/6 |
|
O2G 7/12 3/4 1/3 |
|
O3G 7/12 5/12 1/3 |
|
O1H 7/12 1/12 1/3 |
|
O2H 2/3 .25 1/6 |
|
O3H 2/3 1/12 2/3 |
|
O1J 5/6 1/12 0 |
|
O2J 3/4 .25 5/6 |
|
O3J 3/4 1/12 1/3 |
|
O1K 3/4 5/12 1/3 |
|
O2K 5/6 3/4 0 |
|
O3K 5/6 5/12 0 |
|
O1L 0 5/12 0 |
|
O2L 11/12 .25 1/6 |
|
O3L 11/12 7/12 1/6 |
|
O1M 11/12 1/12 2/3 |
|
O2M 0 .25 1/2 |
|
O3M 0 1/12 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #52 based on stacking sequence ABABCBACBCAC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003074 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 11/12 5/6 |
|
SiD 11/48 7/12 1/2 |
|
Mg1b 7/24 1/12 0 |
|
Mg2b 7/24 .25 1/2 |
|
SiE 17/48 5/12 1/3 |
|
SiF 19/48 1/12 2/3 |
|
Mg1c 11/24 5/12 2/3 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 1/12 2/3 |
|
SiH 9/16 5/12 0 |
|
Mg1d 5/8 1/12 0 |
|
Mg2d 5/8 .25 1/2 |
|
SiJ 11/16 7/12 1/6 |
|
SiK 35/48 1/12 1/3 |
|
Mg1e 19/24 5/12 1/3 |
|
Mg2e 19/24 .25 5/6 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 0 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 1/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 5/6 |
|
O3D .25 5/12 1/3 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/6 |
|
O3E 1/3 7/12 1/6 |
|
O1F 1/3 1/12 2/3 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 2/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 .25 1/6 |
|
O3H 7/12 7/12 1/6 |
|
O1J 3/4 7/12 1/6 |
|
O2J 2/3 3/4 1/3 |
|
O3J 2/3 5/12 1/3 |
|
O1K 2/3 1/12 1/3 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 1/2 |
|
O3L 5/6 1/12 0 |
|
O1M 5/6 5/12 0 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #53 based on stacking sequence ABACABACBABC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003075 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 1/12 2/3 |
|
SiD 11/48 5/12 0 |
|
Mg1b 7/24 1/12 1/3 |
|
Mg2b 7/24 .25 5/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 7/12 1/6 |
|
Mg2c 11/24 .25 1/6 |
|
SiG 25/48 1/12 2/3 |
|
SiH 9/16 5/12 0 |
|
Mg1d 5/8 1/12 0 |
|
Mg2d 5/8 .25 1/2 |
|
SiJ 11/16 5/12 0 |
|
SiK 35/48 1/12 1/3 |
|
Mg1e 19/24 5/12 2/3 |
|
Mg2e 19/24 .25 1/6 |
|
SiL 41/48 11/12 1/6 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 2/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 1/6 |
|
O3D .25 7/12 1/6 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 2/3 |
|
O2G 1/2 .25 1/2 |
|
O3G 1/2 1/12 0 |
|
O1H 1/2 5/12 0 |
|
O2H 7/12 .25 1/6 |
|
O3H 7/12 7/12 1/6 |
|
O1J 3/4 5/12 0 |
|
O2J 2/3 3/4 1/3 |
|
O3J 2/3 5/12 1/3 |
|
O1K 2/3 1/12 1/3 |
|
O2K 3/4 .25 1/2 |
|
O3K 3/4 1/12 0 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 88 (2003) 653-666 |
|
Model pyroxenes I: Ideal pyroxene topologies |
|
Pyroxene #54 based on stacking sequence ABACABCBACBC |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience. |
|
_database_code_amcsd 0003076 |
|
19.595917 6 3.4641016 90 90. 90 Pc |
|
atom x y z |
|
SiA 1/48 7/12 5/6 |
|
SiB 1/16 11/12 1/2 |
|
Mg1a 1/8 7/12 1/6 |
|
Mg2a 1/8 .25 1/6 |
|
SiC 3/16 1/12 2/3 |
|
SiD 11/48 5/12 0 |
|
Mg1b 7/24 1/12 1/3 |
|
Mg2b 7/24 .25 5/6 |
|
SiE 17/48 7/12 5/6 |
|
SiF 19/48 11/12 1/2 |
|
Mg1c 11/24 5/12 0 |
|
Mg2c 11/24 .25 1/2 |
|
SiG 25/48 1/12 1/3 |
|
SiH 9/16 7/12 1/6 |
|
Mg1d 5/8 1/12 2/3 |
|
Mg2d 5/8 .25 1/6 |
|
SiJ 11/16 7/12 1/6 |
|
SiK 35/48 1/12 0 |
|
Mg1e 19/24 5/12 0 |
|
Mg2e 19/24 .25 1/2 |
|
SiL 41/48 1/12 2/3 |
|
SiM 43/48 5/12 1/3 |
|
Mg1f 23/24 11/12 5/6 |
|
Mg2f 23/24 .25 5/6 |
|
O1A 1/12 7/12 5/6 |
|
O2A 0 3/4 0 |
|
O3A 0 5/12 0 |
|
O1B 0 1/12 0 |
|
O2B 1/12 .25 5/6 |
|
O3B 1/12 1/12 1/3 |
|
O1C .25 1/12 2/3 |
|
O2C 1/6 .25 1/2 |
|
O3C 1/6 1/12 0 |
|
O1D 1/6 5/12 0 |
|
O2D .25 .25 1/6 |
|
O3D .25 7/12 1/6 |
|
O1E 5/12 5/12 1/3 |
|
O2E 1/3 .25 1/2 |
|
O3E 1/3 7/12 1/2 |
|
O1F 1/3 1/12 0 |
|
O2F 5/12 .25 5/6 |
|
O3F 5/12 1/12 1/3 |
|
O1G 7/12 1/12 1/3 |
|
O2G 1/2 .25 1/6 |
|
O3G 1/2 1/12 2/3 |
|
O1H 1/2 7/12 1/6 |
|
O2H 7/12 3/4 1/3 |
|
O3H 7/12 5/12 1/3 |
|
O1J 3/4 5/12 2/3 |
|
O2J 2/3 3/4 0 |
|
O3J 2/3 5/12 0 |
|
O1K 2/3 1/12 0 |
|
O2K 3/4 .25 1/6 |
|
O3K 3/4 1/12 2/3 |
|
O1L 11/12 1/12 2/3 |
|
O2L 5/6 .25 5/6 |
|
O3L 5/6 1/12 1/3 |
|
O1M 5/6 5/12 1/3 |
|
O2M 11/12 .25 1/6 |
|
O3M 11/12 7/12 1/6 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 89 (2004) 614-628 |
|
Model pyroxenes II: Structural variation as a function of tetrahedral rotation |
|
model with O3-O3-O3 angle = 240 and model oxygen radius = 1 |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions for convenience |
|
_database_code_amcsd 0003471 |
|
7.394 6 3.464 90 117.9 90 C2/c |
|
atom x y z |
|
Mg1 0 11/12 1/4 |
|
Mg2 0 .25 1/4 |
|
Si 5/16 1/12 19/48 |
|
O1 1/8 1/12 5/24 |
|
O2 3/8 .25 7/24 |
|
O3 3/8 11/12 7/24 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 89 (2004) 614-628 |
|
Model pyroxenes II: Structural variation as a function of tetrahedral rotation |
|
model with O3-O3-O3 angle = 220 and model oxygen radius = 1 |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions for convenience |
|
_database_code_amcsd 0003472 |
|
7.565 6.510 3.759 90 115.8 90 C2/c |
|
atom x y z |
|
Mg1 0 11/12 1/4 |
|
Mg2 0 .25 1/4 |
|
Si .3100 1/12 .3551 |
|
O1 .1301 1/12 .1974 |
|
O2 .3699 .25 .3026 |
|
O3 .3699 -.0525 .2101 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 89 (2004) 614-628 |
|
Model pyroxenes II: Structural variation as a function of tetrahedral rotation |
|
model with O3-O3-O3 angle = 200 and model oxygen radius = 1 |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions for convenience |
|
_database_code_amcsd 0003473 |
|
7.608 6.823 3.939 90 113.4 90 C2/c |
|
atom x y z |
|
Mg1 0 11/12 1/4 |
|
Mg2 0 .25 1/4 |
|
Si .3085 1/12 .3204 |
|
O1 .1330 1/12 .1856 |
|
O2 .3670 .25 .3144 |
|
O3 .3670 -.0255 .1408 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Pyroxene-ideal |
| |
Thompson R M, Downs R T |
|
American Mineralogist 89 (2004) 614-628 |
|
Model pyroxenes II: Structural variation as a function of tetrahedral rotation |
|
model with O3-O3-O3 angle = 180 and model oxygen radius = 1 |
|
Note: Atoms Mg, Si, and O are assigned to atomic positions for convenience |
|
_database_code_amcsd 0003474 |
|
7.526 6.928 4 90 110.8 90 C2/c |
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atom x y z |
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Mg1 0 11/12 1/4 |
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Mg2 0 .25 1/4 |
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Si .3080 1/12 .2887 |
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O1 .1340 1/12 .1726 |
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O2 .3660 .25 .3274 |
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O3 .3660 0 .0774 |
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View JMOL 3-D Structure (permalink) |
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Pyroxene-ideal |
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Thompson R M, Downs R T |
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American Mineralogist 89 (2004) 614-628 |
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Model pyroxenes II: Structural variation as a function of tetrahedral rotation |
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model with O3-O3-O3 angle = 160 and model oxygen radius = 1 |
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Note: Atoms Mg, Si, and O are assigned to atomic positions for convenience |
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_database_code_amcsd 0003475 |
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7.326 6.823 3.939 90 107.7 90 C2/c |
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atom x y z |
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Mg1 0 11/12 1/4 |
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Mg2 0 .25 1/4 |
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Si .3085 1/12 .2576 |
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O1 .1330 1/12 .1585 |
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O2 .3670 .25 .3415 |
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O3 .3670 .0255 .0152 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
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