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Spinelloid |
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Ross C R, Armbruster T, Canil D |
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American Mineralogist 77 (1992) 507-511 |
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Crystal structure refinement of a spinelloid in the system Fe3O4-Fe2SiO4 |
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_database_code_amcsd 0001459 |
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5.867 8.917 8.362 90 90 90 Pmma |
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atom x y z occ Uiso |
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Fe1 .75 .1659 .2495 .0047 |
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Fe2 .5 0 0 .0062 |
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Fe3 .5 .3333 .5 .0052 |
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Fe4 .75 .5 .2185 .0038 |
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Fe1 .25 0 .3764 .84 .0050 |
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Si1 .25 0 .3764 .16 .0050 |
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Fe2 .25 .3255 .1321 .60 .0050 |
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Si2 .25 .3255 .1321 .40 .0050 |
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O1 .5046 0 .2477 .0113 |
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O2 .25 .1715 .0031 .0110 |
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O3 .25 .1694 .5010 .0092 |
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O4 .4951 .3287 .2513 .0109 |
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O5 .25 .5 .0280 .0134 |
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O6 .25 .5 .5250 .0071 |
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Spinelloid |
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Angel R J, Woodland A B |
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European Journal of Mineralogy 10 (1998) 607-611 |
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Crystal structure of spinelloid II in the system Fe3O4-Fe2SiO4 |
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_database_code_amcsd 0006752 |
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5.85928 17.9801 8.38395 90 90 90 Imma |
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atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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FeM1 1/4 1/4 3/4 .97 .0080 .00072 .00324 0 .0003 0 |
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FeM2 1/4 .08428 3/4 1.02 .0086 .00073 .00328 0 .00007 0 |
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FeM3 0 .16675 .02950 .89 .0063 .00074 .00299 0 0 -.00001 |
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FeM4 0 0 0 .94 .0063 .00072 .00358 0 0 -.00001 |
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SiT1 0 .42088 .38048 .43 .82 .0055 .00066 .00300 0 0 .00005 |
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FeT1 0 .42088 .38048 .57 .82 .0055 .00066 .00300 0 0 .00005 |
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SiT2 0 1/4 .38763 .43 .74 .0051 .00059 .0028 0 0 0 |
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FeT2 0 1/4 .38763 .57 .74 .0051 .00059 .0028 0 0 0 |
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O1 0 .83210 .22750 1.01 .0072 .00088 .0032 0 0 -.00003 |
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O2 0 -.00035 .24943 1.35 .0077 .00135 .0045 0 0 .00061 |
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O3 0 .17090 .27754 1.50 .0077 .00213 .0024 0 0 .00011 |
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O4 .2602 1/4 -.00132 1.08 .0098 .00075 .0033 0 -.0001 0 |
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O5 .2480 .08100 -.00328 1.15 .0107 .00067 .0040 -.00014 .0013 -.00014 |
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Spinelloid |
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Woodland A B, Angel R J, Koch M |
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European Journal of Mineralogy 24 (2012) 657-668 |
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Structural systematics of spinel and spinelloid phases in the system |
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MFe2O4-M2SiO4 with M = Fe2+ and Mg |
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Sample: 8f5v0128, Spinelloid-III |
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Locality: synthetic |
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_database_code_amcsd 0019350 |
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5.8319 11.8873 8.3522 90 90 90 Imma |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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MgM1 0 0 0 .143 .00729 .0077 .0067 .0074 0 0 .00005 |
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FeM1 0 0 0 .857 .00729 .0077 .0067 .0074 0 0 .00005 |
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MgM2 0 .25 .96992 .303 .00645 .0068 .0069 .0057 0 0 0 |
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FeM2 0 .25 .96992 .697 .00645 .0068 .0069 .0057 0 0 0 |
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MgM3 .25 .12544 .25 .0871 .00819 .0099 .0088 .0059 0 -.00032 0 |
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FeM3 .25 .12544 .25 .9129 .00819 .0099 .0088 .0059 0 -.00032 0 |
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SiT 0 .11981 .61850 .53 .00588 .0057 .0063 .0056 0 0 -.00011 |
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FeT 0 .11981 .61850 .47 .00588 .0057 .0063 .0056 0 0 -.00011 |
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O1 0 .25 .2257 .0092 .0067 .0111 .0098 0 0 0 |
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O2 0 .25 .7232 .0171 .0097 .0337 .0079 0 0 0 |
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O3 0 -.00354 .2541 .0157 .0070 .0263 .0139 0 0 -.0087 |
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O4 .2542 .12270 .00035 .0124 .0155 .0096 .0120 .0001 -.0043 -.0009 |
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| Download AMC data (View Text File)
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Spinelloid |
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Woodland A B, Angel R J, Koch M |
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European Journal of Mineralogy 24 (2012) 657-668 |
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Structural systematics of spinel and spinelloid phases in the system |
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MFe2O4-M2SiO4 with M = Fe2+ and Mg |
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Sample: 4f8b1195, Spinelloid-II |
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Locality: synthetic |
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_database_code_amcsd 0019351 |
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5.85060 17.9793 8.3779 90 90 90 Imma |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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MgM1 .25 .25 .75 .0461 .00697 .0091 .0060 .0059 0 .0007 0 |
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FeM1 .25 .25 .75 .9539 .00697 .0091 .0060 .0059 0 .0007 0 |
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MgM2 .25 .08428 .75 .020 .00826 .0113 .0071 .0064 0 -.00010 0 |
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FeM2 .25 .08428 .75 .980 .00826 .0113 .0071 .0064 0 -.00010 0 |
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MgM3 0 .16667 .02921 .084 .00712 .0079 .0073 .0061 0 0 -.00009 |
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FeM3 0 .16667 .02921 .916 .00712 .0079 .0073 .0061 0 0 -.00009 |
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MgM4 0 0 0 .015 .0082 .0087 .0077 .0083 0 0 .0001 |
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FeM4 0 0 0 .985 .0082 .0087 .0077 .0083 0 0 .0001 |
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SiT1 0 .42079 .38044 .2856 .00704 .0073 .0073 .0065 0 0 .00057 |
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FeT1 0 .42079 .38044 .7144 .00704 .0073 .0073 .0065 0 0 .00057 |
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SiT2 0 .25 .38767 .7187 .0060 .0059 .0057 .0064 0 0 0 |
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FeT2 0 .25 .38767 .2813 .0060 .0059 .0057 .0064 0 0 0 |
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O1 0 .83193 .2270 .0098 .0096 .0105 .0093 0 0 .0006 |
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O2 0 -.00043 .2490 .0144 .0100 .0212 .0119 0 0 .0063 |
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O3 0 .17077 .2767 .0186 .0112 .0357 .0091 0 0 .0008 |
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O4 .2588 .25 -.0007 .0121 .0171 .0121 .0073 0 .0008 0 |
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O5 .2477 .08137 -.0032 .0121 .0172 .0103 .0088 .0001 .0033 .0004 |
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View JMOL 3-D Structure (permalink)
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Spinelloid |
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Woodland A B, Angel R J, Koch M |
| |
European Journal of Mineralogy 24 (2012) 657-668 |
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Structural systematics of spinel and spinelloid phases in the system |
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MFe2O4-M2SiO4 with M = Fe2+ and Mg |
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Sample: 4f8v0095, Spinelloid-II |
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Locality: synthetic |
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_database_code_amcsd 0019352 |
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5.8448 17.9749 8.3771 90 90 90 Imma |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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MgM1 .25 .25 .75 .0455 .0072 .0091 .0036 .0088 .000 .0009 0 |
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FeM1 .25 .25 .75 .9545 .0072 .0091 .0036 .0088 .000 .0009 0 |
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MgM2 .25 .08441 .75 .013 .0076 .0103 .0048 .0075 .000 .0006 0 |
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FeM2 .25 .08441 .75 .987 .0076 .0103 .0048 .0075 .000 .0006 0 |
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MgM3 0 .16670 .02907 .188 .0050 .0052 .0036 .0062 .000 0 -.0002 |
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FeM3 0 .16670 .02907 .812 .0050 .0052 .0036 .0062 .000 0 -.0002 |
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MgM4 0 0 0 .063 .0061 .0063 .0032 .0089 .000 0 -.0003 |
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FeM4 0 0 0 .937 .0061 .0063 .0032 .0089 .000 0 -.0003 |
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SiT1 0 .42074 .38011 .2756 .0057 .0063 .0034 .0073 .000 0 .0008 |
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FeT1 0 .42074 .38011 .7244 .0057 .0063 .0034 .0073 .000 0 .0008 |
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SiT2 0 .25 .3879 .7987 .0031 .0032 .0008 .0053 .000 0 0 |
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FeT2 0 .25 .3879 .2013 .0031 .0032 .0008 .0053 .000 0 0 |
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O1 0 .8319 .2268 .0116 .012 .007 .016 .000 0 .0013 |
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O2 0 -.0006 .2497 .0148 .011 .017 .016 .000 0 .002 |
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O3 0 .1714 .2775 .0172 .012 .028 .011 .000 0 -.0022 |
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O4 .2593 .25 -.0009 .0106 .016 .0042 .011 .000 -.0010 0 |
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O5 .2467 .08136 -.0030 .0114 .016 .0027 .0151 -.0002 .0061 .0008 |
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View JMOL 3-D Structure (permalink)
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