American Mineralogist Crystal Structure Database

229 matching records for this search.

Cahnite
Download hom/cahnite.pdf
Prewitt C T, Buerger M J
Download am/vol46/AM46_1077.pdf
American Mineralogist 46 (1961) 1077-1085
The crystal structure of cahnite, Ca2BAsO4(OH)4
_database_code_amcsd 0000097
7.11 7.11 6.20 90 90 90 I-4
atom    x    y    z
As      0    0    0
B       0   .5  .25
Ca1     0    0   .5
Ca2     0   .5  .75
O1   .178 .054 .167
O2   .160 .444 .114
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Jadeite
Download hom/jadeite.pdf
Prewitt C T, Burnham C W
Download am/vol51/AM51_956.pdf
American Mineralogist 51 (1966) 956-975
The crystal structure of jadeite, NaAlSi2O6
_database_code_amcsd 0000147
9.418 8.562 5.219 90 107.58 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Na       0 .3009   1/4  .0035  .0026  .0074      0 -.0002      0
Al       0 .0940   3/4  .0013  .0015  .0035      0  .0005      0
Si   .2906 .0934 .2277  .0011  .0017  .0036  .0000  .0006 -.0001
O1   .1090 .0763 .1275  .0004  .0020  .0032 -.0004  .0000 -.0007
O2   .3608 .2630 .2929  .0010  .0020  .0047 -.0004  .0000  .0002
O3   .3533 .0070 .0058  .0013  .0022  .0041 -.0003  .0009  .0000
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Forsterite
Download hom/forsterite.pdf
Brown G E, Prewitt C T
Download am/vol58/AM58_577.pdf
American Mineralogist 58 (1973) 577-587
High-temperature crystal chemistry of hortonolite
sample #12018 at T = 24 C
Note: variety hortonolite
_database_code_amcsd 0000323
4.771 10.274 6.011 90 90 90 Pbnm
atom     x     y     z  occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Si   .4270 .0946   .25       .0021  .0008  .0028  .0001      0      0
Mg1      0     0     0 .814  .0027  .0012  .0027      0 -.0004 -.0004
Fe1      0     0     0 .186  .0027  .0012  .0027      0 -.0004 -.0004
Mg2  .9888 .2778   .25 .826  .0044  .0007  .0030  .0001      0      0
Fe2  .9888 .2778   .25 .164  .0044  .0007  .0030  .0001      0      0
Ca2  .9888 .2778   .25 .010  .0044  .0007  .0030  .0001      0      0
O1   .7661 .0918   .25       .0029  .0014  .0038  .0002      0      0
O2   .2194 .4482   .25       .0041  .0010  .0040      0      0      0
O3   .2795 .1634 .0336       .0046  .0014  .0040  .0001 -.0002  .0005
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Forsterite
Download hom/forsterite.pdf
Brown G E, Prewitt C T
Download am/vol58/AM58_577.pdf
American Mineralogist 58 (1973) 577-587
High-temperature crystal chemistry of hortonolite
sample #OG2B at T = 24 C
Note: variety hortonolite
_database_code_amcsd 0000324
4.775 10.28 6.016 90 90 90 Pbnm
atom     x     y     z  occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3)  B(2,3)
Si   .4275 .0950   .25       .0019  .0008  .0023  .0001      0       0
Mg1      0     0     0 .708  .0025  .0013  .0022  .0001 -.0002 -.00005
Fe1      0     0     0 .292  .0025  .0013  .0022  .0001 -.0002 -.00005
Mg2  .9880 .2782   .25 .712  .0045  .0009  .0026  .0002      0       0
Fe2  .9880 .2782   .25 .288  .0045  .0009  .0026  .0002      0       0
O1   .7666 .0919   .25       .0030  .0016  .0034  .0003      0       0
O2   .2179 .4489   .25       .0049  .0010  .0033 -.0004      0       0
O3   .2806 .1638 .0340       .0041  .0016  .0031  .0001 -.0001  .00060
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Forsterite
Download hom/forsterite.pdf
Brown G E, Prewitt C T
Download am/vol58/AM58_577.pdf
American Mineralogist 58 (1973) 577-587
High-temperature crystal chemistry of hortonolite
sample #12052 at T = 24 C
Note: variety hortonolite
_database_code_amcsd 0000325
4.785 10.298 6.028 90 90 90 Pbnm
atom     x     y     z  occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Si   .4276 .0952   .25       .0027  .0005  .0029  .0001      0      0
Mg1      0     0     0 .675  .0036  .0009  .0026      0 -.0004 -.0004
Fe1      0     0     0 .325  .0036  .0009  .0026      0 -.0004 -.0004
Mg2  .9877 .2783   .25 .705  .0053  .0003  .0028  .0001      0      0
Fe2  .9877 .2783   .25 .285  .0053  .0003  .0028  .0001      0      0
Ca2  .9877 .2783   .25 .010  .0053  .0003  .0028  .0001      0      0
O1   .7659 .0920   .25       .0036  .0009  .0041  .0001      0      0
O2   .2181 .4493   .25       .0057  .0005  .0036  .0002      0      0
O3   .2809 .1637 .0340       .0054  .0011  .0046  .0003 -.0001  .0006
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Forsterite
Download hom/forsterite.pdf
Brown G E, Prewitt C T
Download am/vol58/AM58_577.pdf
American Mineralogist 58 (1973) 577-587
High-temperature crystal chemistry of hortonolite
sample #12052 T = 375 C
Note: variety hortonolite
_database_code_amcsd 0000326
4.795 10.337 6.045 90 90 90 Pbnm
atom     x     y     z  occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Si   .4279 .0952   .25       .0052  .0012  .0050  .0001      0      0
Mg1      0     0     0 .677  .0084  .0025  .0053 -.0001 -.0010 -.0010
Fe1      0     0     0 .323  .0084  .0025  .0053 -.0001 -.0010 -.0010
Mg2  .9886 .2788   .25 .703  .0112  .0013  .0060  .0001      0      0
Fe2  .9886 .2788   .25 .287  .0112  .0013  .0060  .0001      0      0
Ca2  .9886 .2788   .25 .010  .0112  .0013  .0060  .0001      0      0
O1   .7654 .0919   .25       .0048  .0027  .0064  .0006      0      0
O2   .2177 .4496   .25       .0111  .0012  .0070 -.0003      0      0
O3   .2816 .1636 .0348       .0102  .0024  .0064  .0002 -.0005  .0011
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Forsterite
Download hom/forsterite.pdf
Brown G E, Prewitt C T
Download am/vol58/AM58_577.pdf
American Mineralogist 58 (1973) 577-587
High-temperature crystal chemistry of hortonolite
sample #12052 at T = 710 C
Note: variety hortonolite
_database_code_amcsd 0000327
4.805 10.366 6.068 90 90 90 Pbnm
atom     x     y     z  occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Si   .4274 .0950   .25       .0069  .0024  .0081  .0001      0      0
Mg1      0     0     0 .670  .0111  .0045  .0093 -.0002 -.0015 -.0017
Fe1      0     0     0 .330  .0111  .0045  .0093 -.0002 -.0015 -.0017
Mg2  .9892 .2792   .25 .710  .0146  .0027  .0103  .0001      0      0
Fe2  .9892 .2792   .25 .280  .0146  .0027  .0103  .0001      0      0
Ca2  .9892 .2792   .25 .010  .0146  .0027  .0103  .0001      0      0
O1   .7650 .0925   .25       .0074  .0036  .0124  .0009      0      0
O2   .2169 .4507   .25       .0119  .0032  .0101 -.0001      0      0
O3   .2829 .1636 .0357       .0131  .0044  .0108  .0005 -.0002  .0017
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Aegirine
Download hom/aegirine.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 24 C
pyroxene
_database_code_amcsd 0000336
9.658 8.795 5.294 90 107.42 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2905 .0894 .2351 .00050 .00073 .00385 -.00008 -.00029 -.00001
Fe1      0 .8989   1/4 .00082 .00086 .00457       0 -.00019       0
Na2      0 .2999   1/4 .00339 .00189 .00829       0 -.00119       0
O1   .1141 .0784 .1380 .00058 .00124 .00464 -.00014 -.00053  .00012
O2   .3582 .2558 .3001 .00133 .00085 .00748 -.00053  .00016  .00000
O3   .3518 .0079 .0118 .00107 .00190 .00512  .00017  .00001 -.00085
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Aegirine
Download hom/aegirine.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 400 C
pyroxene
_database_code_amcsd 0000337
9.677 8.829 5.298 90 107.33 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2904 .0891 .2338 .00163 .00282 .00629 -.00025  .00087 -.00011
Fe1      0 .8979   1/4 .00194 .00285 .00735       0  .00079       0
Na2      0 .3000   1/4 .00800 .00577 .01633       0 -.00092       0
O1   .1141 .0778 .1368 .00169 .00414 .00826 -.00038  .00065  .00072
O2   .3586 .2545 .2989 .00368 .00362 .01559 -.00132  .00235 -.00052
O3   .3514 .0076 .0112 .00232 .00528 .00954 -.00019  .00121 -.00200
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Aegirine
Download hom/aegirine.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 600 C
pyroxene
_database_code_amcsd 0000338
9.699 8.855 5.307 90 107.32 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2902 .0889 .2332 .00238 .00364 .00760 -.00031  .00122 -.00040
Fe1      0 .8974   1/4 .00278 .00375 .00922       0  .00124       0
Na2      0 .3001   1/4 .01073 .00762 .02049       0 -.00203       0
O1   .1142 .0775 .1364 .00241 .00541 .01021 -.00021  .00100  .00067
O2   .3587 .2537 .2975 .00518 .00435 .01936 -.00177  .00299 -.00056
O3   .3511 .0074 .0098 .00336 .00698 .01075  .00012  .00141 -.00240
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Aegirine
Download hom/aegirine.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 800 C
pyroxene
_database_code_amcsd 0000339
9.711 8.876 5.312 90 107.29 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2902 .0888 .2327 .00272 .00436 .01020 -.49000  .00147 -.28000
Fe1      0 .8969   1/4 .00331 .00457 .01195       0  .00122       0
Na2      0 .3002   1/4 .01312 .00858 .02591       0 -.00144       0
O1   .1146 .0771 .1356 .00275 .00641 .01382 -.40000  .00111  .89000
O2   .3588 .2532 .2967 .00590 .00510 .02409 -.00212  .00354 -.00111
O3   .3507 .0070 .0093 .00420 .00810 .01416 -.15000  .00227 -.00284
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Diopside
Download hom/diopside.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 24 C
pyroxene
_database_code_amcsd 0000340
9.745 8.899 5.251 90 105.63 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2862 .0933 .2293 .00055 .00071 .00256 -.00003  .00025 -.00010
Mg1      0 .9082   1/4 .00075 .00075 .00246       0  .00009       0
Ca2      0 .3015   1/4 .00180 .00115 .00424       0 -.00033       0
O1   .1156 .0873 .1422 .00061 .00125 .00355  .00006  .00011  .00017
O2   .3611   .25 .3180 .00151 .00095 .00497 -.00055  .00029 -.00009
O3   .3505 .0176 .9953 .00092 .00153 .00341  .00000  .00052 -.00069
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Diopside
Download hom/diopside.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 400 C
pyroxene
_database_code_amcsd 0000341
9.776 8.979 5.267 90 105.94 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2862 .0929 .2294 .00194 .00219 .00911 -.00014  .00066 -.00022
Mg1      0 .9072   1/4 .00285 .00270 .00880       0  .00065       0
Ca2      0 .3008   1/4 .00491 .00291 .01229       0 -.00053       0
O1   .1160 .0868 .1424 .00209 .00355 .01161  .00003  .00069  .00042
O2   .3611 .2486 .3163 .00465 .00302 .01386 -.00117  .00136 -.00085
O3   .3501 .0165 .9961 .00285 .00411 .01314 -.00008  .00184 -.00180
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Diopside
Download hom/diopside.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 700 C
pyroxene
_database_code_amcsd 0000342
9.799 9.029 5.274 90 106 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2861 .0925 .2294 .00256 .00349 .01313 -.00032  .00173 -.00032
Mg1      0 .9069   1/4 .00367 .00454 .01361       0  .00167       0
Ca2      0 .3005   1/4 .00726 .00468 .01834       0 -.00034       0
O1   .1164 .0864 .1423 .00286 .00559 .01701 -.00003  .00212  .00008
O2   .3604 .2477 .3149 .00632 .00452 .02049 -.00183  .00257 -.00089
O3   .3495 .0157 .9971 .00402 .00641 .01674 -.00016  .00319 -.00291
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Diopside
Download hom/diopside.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 850 C
pyroxene
_database_code_amcsd 0000343
9.806 9.05 5.28 90 106 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2861 .0925 .2293 .00313 .00393 .01076 -.00030  .00150 -.00054
Mg1      0 .9066   1/4 .00472 .00521 .01249       0  .00182       0
Ca2      0 .3003   1/4 .00868 .00521 .01765       0 -.00054       0
O1   .1161 .0863 .1418 .00325 .00643 .01609 -.00001  .00167  .00043
O2   .3607 .2468 .3144 .00782 .00512 .02066 -.00225  .00257 -.00080
O3   .3492 .0151 .9976 .00467 .00745 .01495  .00004  .00274 -.00351
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Diopside
Download hom/diopside.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 1000 C
pyroxene
_database_code_amcsd 0000344
9.822 9.081 5.285 90 105.98 90 C2/c
atom     x     y      z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2859 .0924  .2292 .00337 .00464 .01349 -.00030  .00184 -.00039
Mg1      0 .9063    1/4 .00551 .00613 .01529       0  .00190       0
Ca2      0 .3001    1/4 .01028 .00628 .02088       0 -.00104       0
O1   .1164 .0864  .1423 .00387 .00740 .01888 -.00007  .00176  .00020
O2   .3607 .2464  .3143 .00858 .00613 .02521 -.00241  .00278 -.00172
O3   .3487 .0146 -.0024 .00527 .00837 .01751  .00029  .00325 -.00376
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Hedenbergite
Download hom/hedenbergite.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 24 C
pyroxene
_database_code_amcsd 0000345
9.845 9.024 5.245 90 104.74 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Si   .2878 .0924 .2326 .00111 .00116 .00359 -.00004 .00053 -.00022
Fe1      0 .9075   1/4 .00127 .00119 .00439       0 .00051       0
Ca2      0 .3003   1/4 .00215 .00171 .00532       0 .00006       0
O1   .1197 .0904 .1525 .00120 .00222 .00550  .00017 .00044 -.00007
O2   .3627 .2461 .3228 .00251 .00198 .00732 -.00065 .00086 -.00040
O3   .3502 .0198 .9932 .00165 .00246 .00582 -.00014 .00104 -.00112
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Hedenbergite
Download hom/hedenbergite.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 400 C
pyroxene
_database_code_amcsd 0000346
9.87 9.077 5.258 90 105.01 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2875 .0921 .2329 .00205 .00236 .00677 -.00016  .00101 -.00021
Fe1      0 .9064   1/4 .00262 .00279 .00853       0  .00076       0
Ca2      0 .2993   1/4 .00468 .00339 .01085       0 -.00053       0
O1   .1195 .0898 .1519 .00222 .00388 .01084  .00020  .00095  .00015
O2   .3619 .2449 .3211 .00474 .00322 .01485 -.00126  .00179 -.00078
O3   .3497 .0180 .9949 .00292 .00467 .00986 -.00000  .00161 -.00226
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Hedenbergite
Download hom/hedenbergite.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 600 C
pyroxene
_database_code_amcsd 0000347
9.884 9.11 5.264 90 105.11 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2875 .0918 .2329 .00264 .00315 .00843 -.00017  .00132 -.00027
Fe1      0 .9057   1/4 .00362 .00384 .01068       0  .00110       0
Ca2      0 .2990   1/4 .00645 .00440 .01377       0 -.00051       0
O1   .1194 .0894 .1514 .00285 .00522 .01290 -.00003  .00110  .00043
O2   .3620 .2444 .3200 .00628 .00417 .01778 -.00167  .00223 -.00120
O3   .3494 .0172 .9969 .00402 .00585 .01177 -.00010  .00224 -.00263
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Hedenbergite
Download hom/hedenbergite.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 800 C
pyroxene
_database_code_amcsd 0000348
9.897 9.138 5.269 90 105.17 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2872 .0916 .2324 .00299 .00380 .01081 -.00035  .00129 -.00040
Fe1      0 .9054   1/4 .00443 .00463 .01316       0  .00119       0
Ca2      0 .2989   1/4 .00798 .00532 .01725       0 -.00080       0
O1   .1195 .0892 .1517 .00310 .00671 .01589  .00028  .00146  .00055
O2   .3618 .2436 .3193 .00720 .00529 .02319 -.00209  .00243 -.00118
O3   .3490 .0164 .9976 .00449 .00753 .01395 -.00004  .00213 -.00360
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Hedenbergite
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 900 C
pyroxene
_database_code_amcsd 0000349
9.906 9.164 5.273 90 105.22 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2872 .0915 .2327 .00351 .00427 .01116 -.00027  .00159 -.00032
Fe1      0 .9051   1/4 .00495 .00543 .01422       0  .00122       0
Ca2      0 .2987   1/4 .00913 .00587 .01977       0 -.00088       0
O1   .1193 .0889 .1506 .00373 .00719 .01855 -.00020  .00198 -.00001
O2   .3617 .2429 .3188 .00823 .00565 .02357 -.00194  .00248 -.00063
O3   .3486 .0162 .9973 .00517 .00758 .01698  .00005  .00323 -.00458
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Hedenbergite
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 1000 C
pyroxene
_database_code_amcsd 0000350
9.916 9.179 5.276 90 105.28 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2871 .0915 .2327 .00375 .00472 .01197 -.00010  .00175 -.00065
Fe1      0 .9049   1/4 .00561 .00600 .01650       0  .00161       0
Ca2      0 .2984   1/4 .00999 .00661 .02086       0 -.00128       0
O1   .1196 .0890 .1502 .00391 .00828 .01704 -.00010  .00141  .00016
O2   .3617 .2428 .3173 .00876 .00654 .02611 -.00247  .00254 -.00130
O3   .3484 .0160 .9976 .00540 .00863 .01733 -.00036  .00261 -.00454
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Jadeite
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 24 C
pyroxene
_database_code_amcsd 0000351
9.423 8.564 5.223 90 107.56 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Si   .2906 .0933 .2277 .00135 .00128 .00193 -.00012 .00027 -.00008
Al1      0 .9058   1/4 .00148 .00124 .00240       0 .00038       0
Na2      0 .3005   1/4 .00424 .00253 .00795       0 .00013       0
O1   .1092 .0760 .1285 .00128 .00187 .00340 -.00003 .00025 -.00007
O2   .3611 .2633 .2932 .00241 .00167 .00538 -.00041 .00077 -.00030
O3   .3537 .0072 .0060 .00198 .00239 .00285  .00002 .00049 -.00053
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Jadeite
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 400 C
pyroxene
_database_code_amcsd 0000352
9.45 8.594 5.233 90 107.57 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2904 .0931 .2270 .00211 .00224 .00501 -.00029  .00073 -.00023
Al1      0 .9050   1/4 .00240 .00246 .00529       0  .00055       0
Na2      0 .3006   1/4 .00761 .00452 .01475       0 -.00103       0
O1   .1096 .0756 .1279 .00213 .00317 .00681 -.00021  .00058  .00031
O2   .3612 .2622 .2918 .00394 .00264 .01064 -.00114  .00099 -.00057
O3   .3530 .0069 .0057 .00305 .00442 .00686 -.00008  .00119 -.00212
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Jadeite
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 600 C
pyroxene
_database_code_amcsd 0000353
9.469 8.614 5.24 90 107.57 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2903 .0928 .2264 .00249 .00288 .00664 -.00028  .00092 -.00044
Al1      0 .9043   1/4 .00288 .00310 .00745       0  .00066       0
Na2      0 .3007   1/4 .00985 .00599 .01726       0 -.00177       0
O1   .1097 .0756 .1278 .00221 .00404 .01000 -.00010  .00065  .00036
O2   .3613 .2615 .2903 .00511 .00356 .01502 -.00149  .00213 -.00046
O3   .3527 .0065 .0057 .00371 .00569 .00924  .00006  .00145 -.00265
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Jadeite
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 800 C
pyroxene
_database_code_amcsd 0000354
9.483 8.63 5.249 90 107.59 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2902 .0926 .2258 .00321 .00349 .00690 -.00033  .00110 -.00039
Al1      0 .9039   1/4 .00396 .00382 .00798       0  .00083       0
Na2      0 .3008   1/4 .01298 .00722 .01970       0 -.00158       0
O1   .1098 .0751 .1274 .00341 .00506 .00977 -.00016  .00088  .00060
O2   .3614 .2611 .2894 .00642 .00402 .01668 -.00153  .00215 -.00049
O3   .3520 .0062 .0048 .00490 .00661 .00994  .00035  .00228 -.00250
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Spodumene
Download hom/spodumene.pdf
Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 24 C
pyroxene
_database_code_amcsd 0000355
9.463 8.392 5.218 90 110.15 90 C2/c
atom     x     y     z  B(1,1)  B(2,2)  B(3,3)   B(1,2)  B(1,3)   B(2,3)
Si   .2941 .0935 .2560 .000418 .000589 .001482 -.000180 .000301 -.000093
Al1      0 .9066   1/4 .000538 .000729 .001400        0 .000223        0
Li2      0 .2752   1/4 .003036 .004036 .013584        0 .002022        0
O1   .1099 .0823 .1402 .000640 .001089 .001775 -.000095 .000067  .000012
O2   .3646 .2673 .3009 .001385 .001194 .006341 -.000660 .001536 -.000295
O3   .3565 .9871 .0578 .000967 .002404 .002287  .000244 .000255 -.001184
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Spodumene
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 300 C
pyroxene
_database_code_amcsd 0000356
9.468 8.412 5.224 90 110.05 90 C2/c
atom     x     y     z  B(1,1)  B(2,2)  B(3,3)   B(1,2)  B(1,3)   B(2,3)
Si   .2943 .0932 .2547 .001567 .002269 .004496 -.000273 .000880 -.000120
Al1      0 .9059   1/4 .001781 .002160 .005382        0 .001011        0
Li2      0 .2758   1/4 .007250 .007687 .020955        0 .003477        0
O1   .1101 .0819 .1397 .001619 .003051 .006061 -.000129 .000750  .000292
O2   .3649 .2662 .3012 .003593 .002854 .013562 -.001321 .003094 -.001052
O3   .3565 .9886 .0546 .002449 .005649 .007905  .000113 .001284 -.002688
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Spodumene
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 460 C
pyroxene
_database_code_amcsd 0000357
9.473 8.43 5.229 90 109.99 90 C2/c
atom     x     y     z  B(1,1)  B(2,2)  B(3,3)   B(1,2)  B(1,3)   B(2,3)
Si   .2943 .0931 .2537 .001881 .002656 .005800 -.000306 .001294 -.000214
Al1      0 .9054   1/4 .002242 .002613 .006860        0 .001398        0
Li2      0 .2750   1/4 .008692 .010239 .027891        0 .004310        0
O1   .1104 .0815 .1394 .001864 .003707 .008294 -.000231 .001176  .000240
O2   .3650 .2656 .3014 .004468 .003681 .017169 -.001845 .004109 -.001257
O3   .3565 .9896 .0526 .003255 .007153 .009821  .000355 .001922 -.003474
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Spodumene
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 760 C
pyroxene
_database_code_amcsd 0000358
9.489 8.46 5.236 90 109.88 90 C2/c
atom     x     y     z  B(1,1)  B(2,2)  B(3,3)   B(1,2)  B(1,3)   B(2,3)
Si   .2943 .0928 .2522 .002749 .003837 .008564 -.000483 .001487 -.000465
Al1      0 .9044   1/4 .003367 .003906 .010391        0 .001865        0
Li2      0 .2769   1/4 .013796 .013592 .036669        0 .003761        0
O1   .1105 .0810 .1383 .002548 .005584 .011803 -.000261 .001142  .000697
O2   .3652 .2644 .3018 .006300 .004908 .024037 -.002314 .005090 -.001628
O3   .3562 .9911 .0495 .004129 .009903 .013567  .000385 .002120 -.004719
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Kosmochlor
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 24 C
pyroxene
_database_code_amcsd 0000359
9.579 8.722 5.267 90 107.37 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2921 .0918 .2333 .00142 .00131 .00147 -.00010  .00020 -.00016
Cr1      0 .9076   1/4 .00167 .00146 .00229       0  .00043       0
Na2      0 .3008   1/4 .00350 .00166 .00344       0 -.00119       0
O1   .1140 .0791 .1374 .00156 .00177 .00186 -.00013  .00029  .00040
O2   .3599 .2583 .3037 .00221 .00152 .00377 -.00064  .00041 -.00038
O3   .3531 .0105 .0066 .00176 .00240 .00243 -.00001  .00035 -.00116
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Kosmochlor
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 400 C
pyroxene
_database_code_amcsd 0000360
9.597 8.751 5.274 90 107.29 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2920 .0918 .2328 .00178 .00180 .01221 -.00020  .00204 -.00015
Cr1      0 .9072   1/4 .00194 .00195 .01226       0  .00196       0
Na2      0 .3001   1/4 .00719 .00335 .01819       0 -.00035       0
O1   .1139 .0794 .1369 .00223 .00311 .01507 -.00033  .00278  .00010
O2   .3607 .2571 .3012 .00352 .00214 .02085 -.00134  .00268 -.00220
O3   .3521 .0099 .0062 .00324 .00377 .01578  .00037  .00280 -.00084
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Kosmochlor
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Cameron M, Sueno S, Prewitt C T, Papike J J
Download am/vol58/AM58_594.pdf
American Mineralogist 58 (1973) 594-618
High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
spodumene, and ureyite
T = 600 C
pyroxene
_database_code_amcsd 0000361
9.612 8.77 5.279 90 107.25 90 C2/c
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si   .2921 .0912 .2324 .00213 .00255 .01040 -.00025  .00207 -.00014
Cr1      0 .9066   1/4 .00235 .00213 .01103       0  .00181       0
Na2      0 .3010   1/4 .00938 .00427 .02176       0 -.00089       0
O1   .1140 .0782 .1362 .00183 .00386 .01103 -.00032  .00255  .00066
O2   .3611 .2573 .3025 .00447 .00256 .02080 -.00161  .00372 -.00094
O3   .3519 .0094 .0074 .00308 .00447 .01486 -.00027  .00234 -.00287
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Tremolite
Download hom/tremolite.pdf
Sueno S, Cameron M, Papike J J, Prewitt C T
Download am/vol58/AM58_649.pdf
American Mineralogist 58 (1973) 649-664
The high temperature crystal chemistry of tremolite
T = 400 C
_database_code_amcsd 0000368
9.86 18.118 5.285 90 104.57 90 C2/m
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Si1  .2798 .0839 .2955 .00223 .00049 .00875 -.00009 .00140 -.00007
Si2  .2882 .1707 .8032 .00215 .00055 .00818 -.00022 .00158 -.00013
Mg1      0 .0877   1/2 .00312 .00066 .01060       0 .00220       0
Mg2      0 .1770     0 .00301 .00064 .00967       0 .00240       0
Mg3      0     0     0 .00307 .00060 .01012       0 .00173       0
Ca4      0 .2776   1/2 .00521 .00088 .01925       0 .00676       0
O1   .1117 .0862 .2171 .00250 .00072 .01208 -.00003 .00189 -.00013
O2   .1190 .1712 .7235 .00236 .00087 .01166 -.00005 .00153 -.00018
OH3  .1104     0 .7157 .00385 .00087 .01257       0 .00240       0
O4   .3658 .2470 .7951 .00471 .00077 .01608 -.00076 .00372 -.00034
O5   .3451 .1326 .0950 .00334 .00117 .01015 -.00007 .00181  .00107
O6   .3429 .1192 .5844 .00366 .00112 .01043  .00008 .00204 -.00096
O7   .3354     0 .2946 .00370 .00053 .02130       0 .00345       0
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Tremolite
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Sueno S, Cameron M, Papike J J, Prewitt C T
Download am/vol58/AM58_649.pdf
American Mineralogist 58 (1973) 649-664
The high temperature crystal chemistry of tremolite
T = 700 C
_database_code_amcsd 0000369
9.898 18.19 5.296 90 104.46 90 C2/m
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Si1  .2791 .0837 .2945 .00313 .00056 .01387 -.00016 .00316 -.00002
Si2  .2880 .1702 .8027 .00317 .00069 .01338 -.00029 .00342 -.00014
Mg1      0 .0878   1/2 .00465 .00089 .01437       0 .00440       0
Mg2      0 .1776     0 .00449 .00083 .01568       0 .00443       0
Mg3      0     0     0 .00508 .00083 .01154       0 .00374       0
Ca4      0 .2778   1/2 .00796 .00112 .03078       0 .01133       0
O1   .1118 .0863 .2175 .00391 .00101 .01720 -.00006 .00334 -.00014
O2   .1198 .1713 .7235 .00401 .00113 .01644  .00008 .00353 -.00020
OH3  .1106     0 .7179 .00652 .00101 .01856       0 .00585       0
O4   .3662 .2461 .7958 .00690 .00094 .02501 -.00096 .00649 -.00080
O5   .3441 .1316 .0936 .00518 .00155 .01778 -.00007 .00433  .00167
O6   .3420 .1194 .5820 .00470 .00157 .01608  .00018 .00252 -.00147
O7   .3349     0 .2957 .00595 .00045 .03711       0 .00519       0
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Pentlandite
Download hom/pentlandite.pdf
Rajamani V, Prewitt C T
Download am/vol60/AM60_39.pdf
American Mineralogist 60 (1975) 39-48
Thermal expansion of the pentlandite structure
Frood, at 24 deg C
_database_code_amcsd 0000437
10.038 10.038 10.038 90 90 90 Fm3m
atom      x      y      z  occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Fe1      .5     .5     .5 .441  .55
Ni1      .5     .5     .5 .538  .55
Co1      .5     .5     .5 .008  .55
Fe2  .12608 .12608 .12608 .441  .42 .00106 .00106 .00106 .00008 .00008 .00008
Ni2  .12608 .12608 .12608 .538  .42 .00106 .00106 .00106 .00008 .00008 .00008
Co2  .12608 .12608 .12608 .008  .42 .00106 .00106 .00106 .00008 .00008 .00008
S1      .25    .25    .25       .58
S2    .2632      0      0       .42  .0009  .0011  .0011      0      0      0
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Pentlandite
Download hom/pentlandite.pdf
Rajamani V, Prewitt C T
Download am/vol60/AM60_39.pdf
American Mineralogist 60 (1975) 39-48
Thermal expansion of the pentlandite structure
Frood, at 200 deg C
_database_code_amcsd 0000438
10.158 10.158 10.158 90 90 90 Fm3m
atom     x     y     z  occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Fe1     .5    .5    .5 .441 1.37
Ni1     .5    .5    .5 .538 1.37
Co1     .5    .5    .5 .008 1.37
Fe2  .1265 .1265 .1265 .441      .00291 .00291 .00291 0.0001 0.0001 0.0001
Ni2  .1265 .1265 .1265 .538      .00291 .00291 .00291 0.0001 0.0001 0.0001
Co2  .1265 .1265 .1265 .008      .00291 .00291 .00291 0.0001 0.0001 0.0001
S1     .25   .25   .25      1.31
S2   .2598     0     0            .0023  .0030  .0030      0      0      0
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Pentlandite
Download hom/pentlandite.pdf
Rajamani V, Prewitt C T
Download am/vol60/AM60_39.pdf
American Mineralogist 60 (1975) 39-48
Thermal expansion of the pentlandite structure
Frood, at 24 deg C after heating
_database_code_amcsd 0000439
10.093 10.093 10.093 90 90 90 Fm3m
atom      x      y      z  occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Fe1      .5     .5     .5 .441  .77
Ni1      .5     .5     .5 .538  .77
Co1      .5     .5     .5 .008  .77
Fe2  .12632 .12632 .12632 .441      .00184 .00184 .00184 .00008 .00008 .00008
Ni2  .12632 .12632 .12632 .538      .00184 .00184 .00184 .00008 .00008 .00008
Co2  .12632 .12632 .12632 .008      .00184 .00184 .00184 .00008 .00008 .00008
S1      .25    .25    .25       .83
S2    .2604      0      0            .0015  .0019  .0019      0      0      0
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Pentlandite
Download hom/pentlandite.pdf
Rajamani V, Prewitt C T
Download am/vol60/AM60_39.pdf
American Mineralogist 60 (1975) 39-48
Thermal expansion of the pentlandite structure
Outokumpu, at 24 deg C
_database_code_amcsd 0000440
9.977 9.977 9.977 90 90 90 Fm3m
atom      x      y      z  occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Fe1      .5     .5     .5 .181  .55
Ni1      .5     .5     .5 .202  .55
Co1      .5     .5     .5 .619  .55
Fe2  .12617 .12617 .12617 .181      .00124 .00124 .00124 .00006 .00006 .00006
Ni2  .12617 .12617 .12617 .202      .00124 .00124 .00124 .00006 .00006 .00006
Co2  .12617 .12617 .12617 .619      .00124 .00124 .00124 .00006 .00006 .00006
S1      .25    .25    .25       .62
S2    .2623      0      0           .00093 .00138 .00138      0      0      0
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Pentlandite
Download hom/pentlandite.pdf
Rajamani V, Prewitt C T
Download am/vol60/AM60_39.pdf
American Mineralogist 60 (1975) 39-48
Thermal expansion of the pentlandite structure
Outokumpu, at 235 deg C
_database_code_amcsd 0000441
10.004 10.004 10.004 90 90 90 Fm3m
atom      x      y      z  occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Fe1      .5     .5     .5 .181 1.01
Ni1      .5     .5     .5 .202 1.01
Co1      .5     .5     .5 .619 1.01
Fe2  .12626 .12626 .12626 .181      .00226 .00226 .00226  .0001  .0001  .0001
Ni2  .12626 .12626 .12626 .202      .00226 .00226 .00226  .0001  .0001  .0001
Co2  .12626 .12626 .12626 .619      .00226 .00226 .00226  .0001  .0001  .0001
S1      .25    .25    .25      1.15
S2    .2622      0      0            .0020  .0022  .0022      0      0      0
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Pentlandite
Download hom/pentlandite.pdf
Rajamani V, Prewitt C T
Download am/vol60/AM60_39.pdf
American Mineralogist 60 (1975) 39-48
Thermal expansion of the pentlandite structure
Outokumpu, at 350 deg C
_database_code_amcsd 0000442
10.031 10.031 10.031 90 90 90 Fm3m
atom      x      y      z  occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Fe1      .5     .5     .5 .181 1.24
Ni1      .5     .5     .5 .202 1.24
Co1      .5     .5     .5 .619 1.24
Fe2  .12639 .12639 .12639 .181       .0030  .0030  .0030 .00015 .00015 .00015
Ni2  .12639 .12639 .12639 .202       .0030  .0030  .0030 .00015 .00015 .00015
Co2  .12639 .12639 .12639 .619       .0030  .0030  .0030 .00015 .00015 .00015
S1      .25    .25    .25      1.41
S2    .2618      0      0            .0022  .0029  .0029      0      0      0
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Pentlandite
Download hom/pentlandite.pdf
Rajamani V, Prewitt C T
Download am/vol60/AM60_39.pdf
American Mineralogist 60 (1975) 39-48
Thermal expansion of the pentlandite structure
Outokumpu, at 24 deg C after heating
_database_code_amcsd 0000443
9.969 9.969 9.969 90 90 90 Fm3m
atom      x      y      z  occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Fe1      .5     .5     .5 .181  .66
Ni1      .5     .5     .5 .202  .66
Co1      .5     .5     .5 .619  .66
Fe2  .12615 .12615 .12615 .181       .0014  .0014  .0014 .00011 .00011 .00011
Ni2  .12615 .12615 .12615 .202       .0014  .0014  .0014 .00011 .00011 .00011
Co2  .12615 .12615 .12615 .619       .0014  .0014  .0014 .00011 .00011 .00011
S1      .25    .25    .25       .76
S2    .2624      0      0            .0014  .0014  .0014      0      0      0
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Liebenbergite
Download hom/liebenbergite.pdf
Rajamani V, Brown G E, Prewitt C T
Download am/vol60/AM60_292.pdf
American Mineralogist 60 (1975) 292-299
Cation ordering in Ni-Mg olivine
_database_code_amcsd 0000455
4.7366 10.1716 5.9374 90 90 90 Pbnm
atom     x     y     z  occ Biso
Si   .4260 .0937   .25       .30
Ni1      0     0     0 .767  .26
Mg1      0     0     0 .233  .26
Ni2  .9907 .2750   .25 .263  .27
Mg2  .9907 .2750   .25 .737  .27
O1   .7672 .0931   .25       .44
O2   .2193 .4451   .25       .42
O3   .2755 .1625 .0316       .45
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Ferrosilite
Download hom/ferrosilite.pdf
Sueno S, Cameron M, Prewitt C T
Download am/vol61/AM61_38.pdf
American Mineralogist 61 (1976) 38-53
Orthoferrosilite: High-temperature crystal chemistry
T = 24 deg C
_database_code_amcsd 0000487
18.418 9.078 5.2366 90 90 90 Pbca
atom      x      y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Fe1  .37573 .65415 .8746 .00027 .00183 .00373 -.00001 -.00014  .00017
Fe2  .37766 .48567 .3667 .00041 .00242 .00452 -.00013 -.00043  .00021
Si1  .27229 .33870 .0493 .00022 .00216 .00349  .00000 -.00005 -.00002
Si2   .4731 .33448 .7891 .00021 .00154 .00426  .00010 -.00013 -.00013
O1    .1848  .3396 .0387 .00022 .00211 .00717 -.00011 -.00027  .00064
O2    .3118  .4964 .0582 .00064 .00216 .00434 -.00030 -.00043  .00106
O3    .3025  .2363 .8163 .00035 .00312 .00539  .00017 -.00030 -.00144
O4    .5610  .3365 .7868 .00030 .00306 .00652 -.00035 -.00063  .00022
O5    .4332  .4806 .6932 .00053 .00227 .00541  .00029  .00010  .00036
O6    .4476  .2028 .5865 .00042 .00259 .00332  .00005  .00006 -.00049
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Ferrosilite
Download hom/ferrosilite.pdf
Sueno S, Cameron M, Prewitt C T
Download am/vol61/AM61_38.pdf
American Mineralogist 61 (1976) 38-53
Orthoferrosilite: High-temperature crystal chemistry
T = 400 deg C
_database_code_amcsd 0000488
18.484 9.124 5.2593 90 90 90 Pbca
atom      x      y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Fe1  .37554 .65283 .8823 .00077 .00382 .00839 -.00008 -.00031  .00017
Fe2  .37724 .48683 .3748 .00106 .00522 .01136 -.00021 -.00118  .00058
Si1  .27223  .3384 .0562 .00051 .00358 .00637 -.00023  .00010 -.00007
Si2  .47356  .3348 .7862 .00043 .00315 .00758  .00002 -.00022  .00047
O1A   .1852  .3386 .0490 .00048 .00478 .01160 -.00011 -.00013 -.00067
O2A   .3113  .4951 .0695 .00095 .00398 .01225 -.00063 -.00020  .00053
O3A   .3022  .2406 .8204 .00067 .00736 .00882  .00008 -.00037 -.00367
O1B   .5613  .3380 .7838 .00043 .00511 .01233 -.00012 -.00025  .00003
O2B   .4334  .4806 .6965 .00103 .00421 .01138  .00088 -.00037  .00255
O3B   .4481  .2073 .5782 .00094 .00487 .00785 -.00010  .00034 -.00285
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Ferrosilite
Download hom/ferrosilite.pdf
Sueno S, Cameron M, Prewitt C T
Download am/vol61/AM61_38.pdf
American Mineralogist 61 (1976) 38-53
Orthoferrosilite: High-temperature crystal chemistry
T = 600 deg C
_database_code_amcsd 0000489
18.527 9.145 5.2756 90 90 90 Pbca
atom      x      y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Fe1  .37517 .65204 .8869 .00102 .00501 .01093  .00009 -.00052  .00033
Fe2  .37714 .48760 .3805 .00138 .00709 .01562 -.00022 -.00153  .00066
Si1  .27247  .3376 .0598 .00067 .00423 .00843 -.00026 -.00001 -.00052
Si2  .47411  .3350 .7827 .00064 .00425 .00868  .00018 -.00030 -.00041
O1A   .1854  .3393 .0532 .00067 .00557 .01413 -.00015  .00005 -.00016
O2A   .3112  .4932 .0756 .00172 .00479 .01616 -.00081 -.00026  .00024
O3A   .3014  .2434 .8192 .00080 .00876 .01239  .00000 -.00030 -.00642
O1B   .5613  .3379 .7812 .00084 .00734 .01387 -.00062 -.00031  .00061
O2B   .4340  .4825 .7011 .00147 .00478 .01566  .00096 -.00066  .00118
O3B   .4487  .2100 .5719 .00117 .00662 .01291 -.00055  .00088 -.00257
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Ferrosilite
Download hom/ferrosilite.pdf
Sueno S, Cameron M, Prewitt C T
Download am/vol61/AM61_38.pdf
American Mineralogist 61 (1976) 38-53
Orthoferrosilite: High-temperature crystal chemistry
T = 800 deg C
_database_code_amcsd 0000490
18.569 9.16 5.2974 90 90 90 Pbca
atom      x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Fe1  .37499 .6513 .8926 .00133 .00617 .01322  .00014 -.00064  .00052
Fe2  .37666 .4885 .3879 .00180 .00884 .01937 -.00028 -.00192  .00032
Si1  .27259 .3369 .0644 .00073 .00535 .01049 -.00026 -.00001 -.00110
Si2  .47462 .3358 .7783 .00081 .00474 .01161  .00025 -.00041  .00089
O1A   .1855 .3390 .0605 .00066 .00840 .01380 -.00035  .00111  .00112
O2A   .3115 .4926 .0832 .00168 .00671 .02059 -.00084 -.00040  .00013
O3A   .3011 .2450 .8227 .00104 .01293 .01406  .00010  .00061 -.00730
O1B   .5617 .3392 .7771 .00069 .00809 .01930 -.00057 -.00044 -.00053
O2B   .4339 .4832 .7064 .00179 .00663 .01772  .00151 -.00012  .00199
O3B   .4488 .2167 .5604 .00138 .00934 .01916 -.00072  .00075 -.00654
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Ferrosilite
Download hom/ferrosilite.pdf
Sueno S, Cameron M, Prewitt C T
Download am/vol61/AM61_38.pdf
American Mineralogist 61 (1976) 38-53
Orthoferrosilite: High-temperature crystal chemistry
T = 900 deg C
_database_code_amcsd 0000491
18.596 9.1685 5.3113 90 90 90 Pbca
atom      x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Fe1  .37492 .6510 .8968 .00141 .00695 .01476  .00007 -.00080 -.00020
Fe2  .37641 .4886 .3926 .00202 .00967 .02152 -.00021 -.00212  .00074
Si1  .27267 .3371 .0675 .00081 .00588 .01284 -.00024  .00001 -.00065
Si2  .47520 .3358 .7742 .00088 .00525 .01317  .00021 -.00054  .00080
O1A   .1856 .3386 .0648 .00098 .00901 .01826 -.00050  .00007  .00083
O2A   .3115 .4917 .0856 .00234 .00628 .02011 -.00113 -.00057 -.00051
O3A   .3013 .2470 .8239 .00102 .01334 .01542  .00017 -.00056 -.00719
O1B   .5622 .3396 .7731 .00098 .00858 .02088 -.00087 -.00069 -.00132
O2B   .4342 .4846 .7077 .00206 .00690 .01889  .00160 -.00032  .00234
O3B   .4500 .2189 .5521 .00160 .01125 .01886 -.00081  .00041 -.00592
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Ferrosilite
Download hom/ferrosilite.pdf
Sueno S, Cameron M, Prewitt C T
Download am/vol61/AM61_38.pdf
American Mineralogist 61 (1976) 38-53
Orthoferrosilite: High-temperature crystal chemistry
T = 980 deg C
_database_code_amcsd 0000492
18.614 9.172 5.3199 90 90 90 Pbca
atom      x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Fe1  .37467 .6505 .8992 .00162 .00800 .01652  .00004 -.00085  .00034
Fe2  .37637 .4886 .3964 .00222 .01090 .02556 -.00048 -.00261  .00000
Si1   .2729 .3374 .0695 .00098 .00669 .01154 -.00015  .00014 -.00154
Si2   .4755 .3353 .7725 .00099 .00590 .01555  .00013 -.00054  .00120
O1A   .1862 .3394 .0669 .00093 .00969 .01998 -.00017  .00033  .00161
O2A   .3120 .4910 .0921 .00219 .00733 .02027 -.00136  .00024 -.00070
O3A   .3005 .2491 .8225 .00120 .01401 .02005  .00034 -.00035 -.01087
O1B   .5623 .3401 .7727 .00137 .00921 .02172 -.00064 -.00075  .00015
O2B   .4348 .4847 .7117 .00272 .00895 .02283  .00149  .00015 -.00015
O3B   .4493 .2229 .5455 .00184 .01421 .02248 -.00113  .00081 -.00548
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Albite
Download hom/albite.pdf
Prewitt C T, Sueno S, Papike J J
Download am/vol61/AM61_1213.pdf
American Mineralogist 61 (1976) 1213-1225
The crystal structures of high albite and monalbite at high temperatures
T = 24 deg C
feldspar
_database_code_amcsd 0000536
8.153 12.8694 7.1070 93.521 116.458 90.257 C-1
atom     x     y     z occ Biso
Na   .2737 .0073 .1329     7.62
Si1o .0090 .1650 .2148 .75  .78
Al1o .0090 .1650 .2148 .25  .78
Si1m .0048 .8145 .2290 .75  .78
Al1m .0048 .8145 .2290 .25  .78
Si2o .6902 .1079 .3202 .75  .82
Al2o .6902 .1079 .3202 .25  .82
Si2m .6849 .8776 .3535 .75  .79
Al2m .6849 .8776 .3535 .25  .79
Oa1  .0055 .1351 .9845     1.62
Oa2  .5916 .9907 .2783     1.32
Obo  .8212 .1084 .1990     1.65
Obm  .8184 .8470 .2455     1.89
Oco  .0162 .2902 .2770     1.45
Ocm  .0213 .6873 .2180     1.49
Odo  .1959 .1123 .3876     1.44
Odm  .1885 .8675 .4266     1.62
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Albite
Download hom/albite.pdf
Prewitt C T, Sueno S, Papike J J
Download am/vol61/AM61_1213.pdf
American Mineralogist 61 (1976) 1213-1225
The crystal structures of high albite and monalbite at high temperatures
T = 350 deg C
feldspar
_database_code_amcsd 0000537
8.1829 12.8947 7.1190 93.041 116.352 90.172 C-1
atom     x     y     z occ Biso
Na   .2748 .0059 .1348     8.60
Si1o .0089 .1674 .2164 .75 1.22
Al1o .0089 .1674 .2164 .25 1.22
Si1m .0054 .8155 .2284 .75 1.21
Al1m .0054 .8155 .2284 .25 1.21
Si2o .6919 .1096 .3242 .75 1.24
Al2o .6919 .1096 .3242 .25 1.24
Si2m .6877 .8785 .3525 .75 1.23
Al2m .6877 .8785 .3525 .25 1.23
Oa1  .0046 .1359 .9874     2.44
Oa2  .5951 .9924 .2798     1.84
Obo  .8210 .1136 .2021     2.48
Obm  .8198 .8491 .2434     2.90
Oco  .0198 .2933 .2748     2.26
Ocm  .0224 .6890 .2241     2.27
Odo  .1942 .1141 .3900     2.27
Odm  .1882 .8688 .4234     2.50
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Albite
Download hom/albite.pdf
Prewitt C T, Sueno S, Papike J J
Download am/vol61/AM61_1213.pdf
American Mineralogist 61 (1976) 1213-1225
The crystal structures of high albite and monalbite at high temperatures
T = 600 deg C
feldspar
_database_code_amcsd 0000538
8.2097 12.9182 7.1284 92.482 116.282 90.128 C-1
atom     x     y     z occ  Biso
Na   .2761 .0037 .1374     10.02
Si1o .0088 .1697 .2174 .75  1.62
Al1o .0088 .1697 .2174 .25  1.62
Si1m .0061 .8165 .2275 .75  1.60
Al1m .0061 .8165 .2275 .25  1.60
Si2o .6931 .1110 .3281 .75  1.62
Al2o .6931 .1110 .3281 .25  1.62
Si2m .6902 .8796 .3510 .75  1.63
Al2m .6902 .8796 .3510 .25  1.63
Oa1  .0039 .1371 .9896      3.04
Oa2  .5982 .9938 .2810      2.41
Obo  .8217 .1185 .2071      3.38
Obm  .8208 .8522 .2402      3.61
Oco  .0210 .2955 .2709      2.85
Ocm  .0236 .6899 .2310      2.93
Odo  .1927 .1158 .3928      3.03
Odm  .1881 .8697 .4195      3.32
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Albite
Download hom/albite.pdf
Prewitt C T, Sueno S, Papike J J
Download am/vol61/AM61_1213.pdf
American Mineralogist 61 (1976) 1213-1225
The crystal structures of high albite and monalbite at high temperatures
T = 750 deg C
feldspar
_database_code_amcsd 0000539
8.2296 12.9336 7.1357 91.956 116.232 90.078 C-1
atom     x     y     z occ  Biso
Na   .2769 .0029 .1374     10.80
Si1o .0087 .1718 .2189 .75  1.89
Al1o .0087 .1718 .2189 .25  1.89
Si1m .0066 .8177 .2268 .75  1.85
Al1m .0066 .8177 .2268 .25  1.85
Si2o .6940 .1123 .3316 .75  1.88
Al2o .6940 .1123 .3316 .25  1.88
Si2m .6919 .8805 .3494 .75  1.89
Al2m .6919 .8805 .3494 .25  1.89
Oa1  .0030 .1374 .9912      3.60
Oa2  .6012 .9951 .2825      2.85
Obo  .8221 .1225 .2114      3.86
Obm  .8216 .8548 .2370      4.24
Oco  .0226 .2974 .2670      3.26
Ocm  .0242 .6915 .2376      3.38
Odo  .1912 .1175 .3951      3.51
Odm  .1882 .8714 .4166      3.70
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Albite
Download hom/albite.pdf
Prewitt C T, Sueno S, Papike J J
Download am/vol61/AM61_1213.pdf
American Mineralogist 61 (1976) 1213-1225
The crystal structures of high albite and monalbite at high temperatures
T = 950 deg C
feldspar
_database_code_amcsd 0000540
8.2508 12.9489 7.1431 91.161 116.169 90.03 C-1
atom     x     y     z occ  Biso
Na   .2780 .0019 .1371     11.66
Si1o .0086 .1746 .2210 .75  2.17
Al1o .0086 .1746 .2210 .25  2.17
Si1m .0072 .8194 .2253 .75  2.16
Al1m .0072 .8194 .2253 .25  2.16
Si2o .6951 .1141 .3363 .75  2.20
Al2o .6951 .1141 .3363 .25  2.20
Si2m .6938 .8820 .3465 .75  2.21
Al2m .6938 .8820 .3465 .25  2.21
Oa1  .0016 .1380 .9952      3.98
Oa2  .6033 .9971 .2831      3.22
Obo  .8226 .1282 .2169      4.52
Obm  .8222 .8593 .2323      4.75
Oco  .0239 .3005 .2619      3.79
Ocm  .0247 .6933 .2455      3.89
Odo  .1894 .1198 .4001      4.07
Odm  .1881 .8736 .4117      4.13
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Albite
Download hom/albite.pdf
Prewitt C T, Sueno S, Papike J J
Download am/vol61/AM61_1213.pdf
American Mineralogist 61 (1976) 1213-1225
The crystal structures of high albite and monalbite at high temperatures
T = 1090 deg C
feldspar
_database_code_amcsd 0000541
8.2763 12.9593 7.1463 90.097 116.092 89.988 C-1
atom      x     y     z occ  Biso
Na    .2793     0 .1377     12.67
Si1o  .0084 .1782 .2227 .75  2.52
Al1o  .0084 .1782 .2227 .25  2.52
Si1m  .0080 .8215 .2232 .75  2.51
Al1m  .0080 .8215 .2232 .25  2.51
Si2o  .6962 .1160 .3418 .75  2.53
Al2o  .6962 .1160 .3418 .25  2.53
Si2m  .6961 .8838 .3428 .75  2.49
Al2m  .6961 .8838 .3428 .25  2.49
Oa1  -.0005 .1389 .9987      4.38
Oa2   .6055 .9998 .2847      3.46
Obo   .8235 .1336 .2240      5.35
Obm   .8233 .8651 .2257      5.26
Oco   .0263 .3039 .2536      4.62
Ocm   .0261 .6958 .2521      4.67
Odo   .1879 .1233 .4042      4.45
Odm   .1879 .8758 .4061      4.49
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Albite
Download hom/albite.pdf
Prewitt C T, Sueno S, Papike J J
Download am/vol61/AM61_1213.pdf
American Mineralogist 61 (1976) 1213-1225
The crystal structures of high albite and monalbite at high temperatures
T = 1105 deg C
feldspar
_database_code_amcsd 0000542
8.278 12.959 7.145 90.1 116.1 90 C-1
atom     x     y     z occ  Biso
Na   .2797     0 .1382     12.59
Si1o .0081 .1783 .2230 .75  2.50
Al1o .0081 .1783 .2230 .25  2.50
Si1m .0080 .8214 .2233 .75  2.53
Al1m .0080 .8214 .2233 .25  2.53
Si2o .6963 .1160 .3420 .75  2.51
Al2o .6963 .1160 .3420 .25  2.51
Si2m .6964 .8838 .3426 .75  2.50
Al2m .6964 .8838 .3426 .25  2.50
Oa1  .0002 .1390 .9995      4.42
Oa2  .6072 .9999 .2850      3.43
Obo  .8238 .1345 .2242      5.31
Obm  .8239 .8654 .2252      5.35
Oco  .0266 .3041 .2534      4.61
Ocm  .0264 .6957 .2525      4.60
Odo  .1882 .1236 .4050      4.52
Odm  .1875 .8761 .4056      4.49
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Villamaninite
Download hom/villamaninite.pdf
King H E, Prewitt C T
Download am/vol64/AM64_1265.pdf
American Mineralogist 64 (1979) 1265-1271
Structure and symmetry of CuS2 (pyrite structure)
_database_code_amcsd 0000755
5.7891 5.7891 5.7891 90 90 90 Pa3
atom      x      y      z  B(1,1)  B(2,2)  B(3,3)  B(1,2)  B(1,3)  B(2,3)
Cu        0      0      0 0.00732 0.00732 0.00732 0.00032 0.00032 0.00032
S    .39878 .39878 .39878 0.00635 0.00635 0.00635 -.00085 -.00085 -.00085
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Quartz
Download hom/quartz.pdf
Levien L, Prewitt C T, Weidner D J
Download am/vol65/AM65_920.pdf
American Mineralogist 65 (1980) 920-930
Structure and elastic properties of quartz at pressure
P = 1 atm
_database_code_amcsd 0000789
4.916 4.916 5.4054 90 90 120 *P3_221
0 0 .666666667
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2)  B(1,3)  B(2,3)
Si   .4697     0     0  .0093  .0078  .0049  .0039 -.00001 -.00002
O    .4135 .2669 .1191  .0190  .0144  .0083  .0106 -.00250  -.0035
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Quartz
Download hom/quartz.pdf
Levien L, Prewitt C T, Weidner D J
Download am/vol65/AM65_920.pdf
American Mineralogist 65 (1980) 920-930
Structure and elastic properties of quartz at pressure
P = 20.7 kbar
_database_code_amcsd 0000790
4.8362 4.8362 5.3439 90 90 120 *P3_221
0 0 .666666667
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Si   .4630     0     0  .0070  .0057  .0035  .0029  .0002  .0004
O    .4111 .2795 .1095  .0148  .0108  .0076  .0075 -.0034 -.0029
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Quartz
Download hom/quartz.pdf
Levien L, Prewitt C T, Weidner D J
Download am/vol65/AM65_920.pdf
American Mineralogist 65 (1980) 920-930
Structure and elastic properties of quartz at pressure
P = 37.6 kbar
_database_code_amcsd 0000791
4.7736 4.7736 5.301 90 90 120 *P3_221
0 0 .666666667
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2)  B(1,3)  B(2,3)
Si   .4581     0     0 0.0079 0.0068 0.0035 0.0034 -0.0005 -0.0010
O    .4079 .2867 .1039 0.0155 0.0123 0.0069 0.0075 -0.0040 -0.0032
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Quartz
Download hom/quartz.pdf
Levien L, Prewitt C T, Weidner D J
Download am/vol65/AM65_920.pdf
American Mineralogist 65 (1980) 920-930
Structure and elastic properties of quartz at pressure
P = 48.6 kbar
_database_code_amcsd 0000792
4.739 4.739 5.279 90 90 120 *P3_221
0 0 .666666667
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2)  B(1,3)  B(2,3)
Si   .4551     0     0 0.0087 0.0070 0.0039 0.0035 -0.0003 -0.0006
O    .4061 .2912 .1012 0.0150 0.0128 0.0065 0.0078 -0.0042 -0.0031
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Quartz
Download hom/quartz.pdf
Levien L, Prewitt C T, Weidner D J
Download am/vol65/AM65_920.pdf
American Mineralogist 65 (1980) 920-930
Structure and elastic properties of quartz at pressure
P = 55.8 kbar
_database_code_amcsd 0000793
4.722 4.722 5.267 90 90 120 *P3_221
0 0 .666666667
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2)  B(1,3)  B(2,3)
Si   .4537     0     0 0.0082 0.0074 0.0036 0.0037 -0.0002 -0.0004
O    .4047 .2926 .0998 0.0153 0.0117 0.0062 0.0079 -0.0032 -0.0030
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Quartz
Download hom/quartz.pdf
Levien L, Prewitt C T, Weidner D J
Download am/vol65/AM65_920.pdf
American Mineralogist 65 (1980) 920-930
Structure and elastic properties of quartz at pressure
P = 61.4 kbar
_database_code_amcsd 0000794
4.702 4.702 5.256 90 90 120 *P3_221
0 0 .666666667
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2)  B(1,3)  B(2,3)
Si   .4526     0     0 0.0084 0.0069 0.0039 0.0035 -0.0002 -0.0004
O    .4034 .2952 .0987 0.0148 0.0121 0.0064 0.0080 -0.0027 -0.0026
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Diopside
Download hom/diopside.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_315.pdf
American Mineralogist 66 (1981) 315-323
High-pressure structural study of diopside
P = 1 atm
pyroxene
_database_code_amcsd 0000811
9.7456 8.9198 5.2516 90 105.86 90 C2/c
atom        x      y      z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si     .28627 .09330 .22936 .00097 .00119  .0031 -.00005  .00040 -.00007
Mg1         0 .90814    .25 .00113 .00113  .0030       0  .00023       0
Ca2         0 .30144    .25 .00224 .00164  .0047       0 -.00015       0
O1     .11550 .08728 .14220 .00114 .00192  .0047  .00008  .00041  .00017
O2     .36136 .25013 .31830 .00221 .00172  .0059 -.00039  .00080 -.00030
O3     .35083 .01759 .99530 .00147 .00215  .0048 -.00003  .00080 -.00084
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Diopside
Download hom/diopside.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_315.pdf
American Mineralogist 66 (1981) 315-323
High-pressure structural study of diopside
P = 23.6 kbar
pyroxene
_database_code_amcsd 0000812
9.6809 8.847 5.2169 90 105.57 90 C2/c
atom        x     y     z B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3) B(2,3)
Si     .28637 .0941 .2285 .00104  .0016  .0038 -.00004  .0006 -.0003
Mg1         0 .9092   .25 .00140  .0008  .0036       0  .0001      0
Ca2         0 .3026   .25 .00236  .0008  .0053       0 -.0001      0
O1      .1152 .0864 .1420 .00140  .0001  .0060       0  .0001  .0002
O2      .3609 .2515 .3192 .00230  .0027  .0046 -.00030  .0007 -.0003
O3      .3517 .0185 .9921 .00160  .0025  .0040 -.00020  .0006 -.0009
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Diopside
Download hom/diopside.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_315.pdf
American Mineralogist 66 (1981) 315-323
High-pressure structural study of diopside
P = 35.2 kbar
pyroxene
_database_code_amcsd 0000813
9.656 8.813 5.2026 90 105.49 90 C2/c
atom        x      y     z B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Si     .28643 .09420 .2282  .0008  .0013  .0029 -.00011  .0004 -.00009
Mg1         0 .90900   .25  .0009  .0012  .0028       0  .0004       0
Ca2         0 .30333   .25  .0020  .0016  .0044       0  .0001       0
O1      .1153  .0879 .1422  .0014  .0016  .0041       0  .0004       0
O2      .3608  .2529 .3196  .0015  .0016  .0058 -.00050  .0006 -.00040
O3      .3525  .0202 .9907  .0016  .0020  .0041       0  .0011 -.00090
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Diopside
Download hom/diopside.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_315.pdf
American Mineralogist 66 (1981) 315-323
High-pressure structural study of diopside
P = 45.5 kbar
pyroxene
_database_code_amcsd 0000814
9.630 8.785 5.1895 90 105.37 90 C2/c
atom       x      y     z B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3) B(2,3)
Si     .2863 .09449 .2279  .0008  .0011  .0026 -.00014  .0004 -.0001
Mg1        0 .90940   .25  .0009  .0011  .0024       0  .0003      0
Ca2        0 .30378   .25  .0020  .0013  .0039       0      0      0
O1     .1150  .0879 .1421  .0010  .0016  .0044  .00010  .0006      0
O2     .3611  .2534 .3201  .0014  .0019  .0057 -.00060  .0012 -.0004
O3     .3530  .0207 .9901  .0010  .0021  .0038 -.00030  .0008 -.0009
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Diopside
Download hom/diopside.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_315.pdf
American Mineralogist 66 (1981) 315-323
High-pressure structural study of diopside
P = 53.0  kbar
pyroxene
_database_code_amcsd 0000815
9.612 8.765 5.1793 90 105.32 90 C2/c
atom       x     y     z B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3) B(2,3)
Si     .2864 .0946 .2279  .0008  .0013  .0031 -.00011  .0004 -.0003
Mg1        0 .9097   .25  .0011  .0014  .0028       0  .0003      0
Ca2        0 .3040   .25  .0021  .0016  .0041       0      0      0
O1     .1147 .0880 .1414  .0014  .0018  .0046  .00010  .0008 -.0005
O2     .3608 .2542 .3212  .0015  .0019  .0050 -.00030  .0004 -.0003
O3     .3527 .0213 .9889  .0016  .0020  .0039 -.00010  .0006 -.0005
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Coesite
Download hom/coesite.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_324.pdf
American Mineralogist 66 (1981) 324-333
High-pressure crystal structure and compressibility of coesite
P = 1 atm isotropic refinement
_database_code_amcsd 0000816
7.1356 12.3692 7.1736 90 120.34 90 C2/c
atom      x      y      z Biso
Si1  .14033 .10833 .07227 0.41
Si2  .50682 .15799 .54077 0.40
O1        0      0      0 0.71
O2       .5  .1163    .75 0.68
O3    .2660  .1234  .9401 0.79
O4    .3114  .1038  .3282 0.81
O5    .0172  .2117  .4782 0.75
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Coesite
Download hom/coesite.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_324.pdf
American Mineralogist 66 (1981) 324-333
High-pressure crystal structure and compressibility of coesite
P = 1 atm anisotropic refinement
_database_code_amcsd 0000817
7.1356 12.3692 7.1736 90 120.34 90 C2/c
atom      x      y      z B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Si1  .14035 .10833 .07230 .00300 .00065  .0028 -.00028 .00152 -.00019
Si2  .50674 .15796 .54072 .00329 .00074  .0024 -.00011 .00160 -.00008
O1        0      0      0  .0050 .00064  .0056 -.00060 .00220 -.00030
O2       .5 .11634    .75  .0066 .00121  .0035       0 .00340       0
O3    .2661 .12324  .9401  .0050 .00160  .0055 -.00048 .00370 -.00024
O4    .3114 .10378  .3280  .0060 .00152  .0031 -.00063 .00110 -.00046
O5    .0175 .21177  .4784  .0053 .00077  .0068 -.00001 .00330  .00015
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Coesite
Download hom/coesite.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_324.pdf
American Mineralogist 66 (1981) 324-333
High-pressure crystal structure and compressibility of coesite
P = 21.8 kbar
_database_code_amcsd 0000818
7.0692 12.306 7.1462 90 120.53 90  C2/c
atom     x     y     z  Biso
Si1  .1385 .1089 .0714  0.42
Si2  .5078 .1578 .5426  0.41
O1       0     0     0  0.90
O2      .5 .1124   .75  0.64
O3   .2605 .1259 .9346  0.66
O4   .3144 .1020 .3266  0.76
O5   .0217 .2123 .4745  0.82
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Coesite
Download hom/coesite.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_324.pdf
American Mineralogist 66 (1981) 324-333
High-pressure crystal structure and compressibility of coesite
P = 31.5 kbar
_database_code_amcsd 0000819
7.0407 12.279 7.1342 90 120.610 90 C2/c
atom     x     y     z  Biso
Si1  .1378 .1093 .0711  0.44
Si2  .5081 .1576 .5434  0.43
O1       0     0     0  0.91
O2      .5 .1107   .75  0.69
O3   .2576 .1272 .9320  0.67
O4   .3157 .1020 .3263  0.76
O5   .0234 .2126 .4728  0.82
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Coesite
Download hom/coesite.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_324.pdf
American Mineralogist 66 (1981) 324-333
High-pressure crystal structure and compressibility of coesite
P = 38.7 kbar
_database_code_amcsd 0000820
7.0213 12.260 7.1252 90 120.66 90 C2/c
atom     x     y     z  Biso
Si1  .1374 .1095 .0707  0.40
Si2  .5085 .1572 .5439  0.38
O1       0     0     0  0.90
O2      .5 .1095   .75  0.55
O3   .2558 .1279 .9302  0.62
O4   .3167 .1006 .3257  0.73
O5   .0246 .2135 .4724  0.79
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Coesite
Download hom/coesite.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_324.pdf
American Mineralogist 66 (1981) 324-333
High-pressure crystal structure and compressibility of coesite
P = 46.0 kbar
_database_code_amcsd 0000821
7.0042 12.246 7.1177 90 120.7 90 C2/c
atom     x     y     z  Biso
Si1  .1370 .1098 .0704  0.38
Si2  .5085 .1576 .5441  0.35
O1       0     0     0  1.03
O2      .5 .1091   .75  0.64
O3   .2543 .1291 .9284  0.57
O4   .3179 .1006 .3251  0.74
O5   .0264 .2129 .4719  0.80
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Coesite
Download hom/coesite.pdf
Levien L, Prewitt C T
Download am/vol66/AM66_324.pdf
American Mineralogist 66 (1981) 324-333
High-pressure crystal structure and compressibility of coesite
P = 51.9 kbar
_database_code_amcsd 0000822
6.9897 12.233 7.1112 90 120.74 90 C2/c
atom     x     y     z  Biso
Si1  .1369 .1101 .0704  0.41
Si2  .5087 .1574 .5446  0.38
O1       0     0     0  0.94
O2      .5 .1085   .75  0.55
O3   .2540 .1298 .9282  0.62
O4   .3187 .1005 .3251  0.74
O5   .0275 .2126 .4714  0.80
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Wadeite
Download hom/wadeite.pdf
Swanson D K, Prewitt C T
Download am/vol68/AM68_581.pdf
American Mineralogist 68 (1983) 581-585
The crystal structure of K2SiSi3O9
Note: B(1,2) for K and Si1 have been changed to match symmetry constraints
_database_code_amcsd 0000896
6.612 6.612 9.510 90 90 120 P6_3/m
atom      x      y      z  B(1,1)  B(2,2)  B(3,3)  B(1,2)  B(1,3)  B(2,3)
K       1/3    2/3 .05778 0.01414 0.01414 0.00261 0.00707       0       0
Si1       0      0      0 0.00448 0.00448 0.00069 0.00224       0       0
Si2  .36532 .23343    .25 0.00216 0.00265 0.00094 0.00121       0       0
O1   .49150 .07339    .25 0.00306 0.00399 0.00286 0.00219       0       0
O2   .23203 .20907 .10611 0.00521 0.00481 0.00140 0.00231 -.00141 -.00082
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Fluororichterite
 
Cameron M, Sueno S, Papike J J, Prewitt C T
Download am/vol68/AM68_924.pdf
American Mineralogist 68 (1983) 924-943
High temperature crystal chemistry of K and Na fluor-richterites
Na, 24 deg C
_database_code_amcsd 0000912
9.938 17.952 5.258 90 106.62 90 I2/m
atom       x       y       z  B(1,1)  B(2,2)  B(3,3)   B(1,2)   B(1,3)   B(2,3)
Si1  .281295 .915615 .985984 .001165 .000293 .004015  .000038  .000674  .000016
Si2  .287536 .828860 .486283 .001172 .000347 .003915  .000096  .000586  .000046
Mg1        0 .911155      .5 .001551 .000372 .004877        0  .000957        0
Mg2        0 .821195       0 .001585 .000439 .005896        0  .000656        0
Mg3        0       0       0 .001568 .000309 .004508        0  .000951        0
Na         0 .724328      .5 .003405 .000610 .006387        0 -.000642        0
Ca         0 .724328      .5 .003405 .000610 .006387        0 -.000642        0
K    .475620 .986849 .536544 .011674 .002323 .023153 -.002238 -.008467  .001005
O1   .113197 .915735 .895138 .001336 .000399 .006160 -.000009  .000689  .000029
O2   .118834 .832357 .392227 .001499 .000552 .005163  .000026  .000708 -.000281
F3   .103057       0 .391039 .002283 .000507 .005936        0  .000354        0
O4   .361302 .750988 .567769 .002676 .000538 .007022  .000436  .001278  .000263
O5   .349210 .869419 .258496 .001790 .000719 .006791  .000007  .001025  .000771
O6   .344776 .883070 .756179 .002200 .000688 .006326 -.000075  .001429 -.000814
O7   .343561       0 .053998 .002071 .000321 .009710        0  .000561        0
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Fluororichterite
 
Cameron M, Sueno S, Papike J J, Prewitt C T
Download am/vol68/AM68_924.pdf
American Mineralogist 68 (1983) 924-943
High temperature crystal chemistry of K and Na fluor-richterites
Na fluor-richterite  400C
_database_code_amcsd 0000913
9.979 18.036 5.270 90 106.71 90 I2/m
atom       x       y       z  B(1,1)  B(2,2)  B(3,3)   B(1,2)   B(1,3)   B(2,3)
Si1  .280399 .915874 .985783 .002212 .000596 .007001  .000089  .001141 -.000003
Si2  .287218 .829369 .486744 .002404 .000712 .006998  .000196  .001035  .000038
Mg1        0 .910867      .5 .003075 .000816 .008561        0  .001478        0
Mg2        0 .820556       0 .003052 .000843 .010557        0  .014390        0
Mg3        0       0       0 .003076 .000646 .008417        0  .001857        0
Na         0 .723943      .5 .007284 .001104 .014194        0 -.001655        0
Ca         0 .723943      .5 .007284 .001104 .014194        0 -.001655        0
K    .471512 .988462 .539990 .017534 .003916 .048638 -.003753 -.014281 -.000011
O1   .113196 .915663 .895280 .002397 .000834 .008983  .000089  .000826 -.000254
O2   .119168 .832412 .392321 .002470 .001115 .009893  .000148  .001181 -.000453
F3   .102932       0 .390656 .004568 .001010 .013442        0  .001847        0
O4   .361387 .752077 .565024 .005110 .000961 .013364  .000892  .002072  .000533
O5   .347600 .870947 .260105 .003453 .001398 .011432  .000116  .001439  .001881
O6   .343863 .882143 .759688 .003826 .001390 .010031 -.000119  .002362 -.001602
O7   .341910       0 .048703 .003765 .000530 .022263        0  .001475        0
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Fluororichterite
 
Cameron M, Sueno S, Papike J J, Prewitt C T
Download am/vol68/AM68_924.pdf
American Mineralogist 68 (1983) 924-943
High temperature crystal chemistry of K and Na fluor-richterites
Na fluor-richterite  600C
_database_code_amcsd 0000914
10.008 18.087 5.278 90 106.69 90 I2/m
atom       x       y       z  B(1,1)  B(2,2)  B(3,3)   B(1,2)   B(1,3)   B(2,3)
Si1  .279891 .915946 .985702 .002800 .000736 .008939 0.000093 0.001567 -.000063
Si2  .287131 .829603 .486617 .002770 .000855 .009308 0.000245 0.001368 0.000096
Mg1        0 .910749      .5 .003871 .001000 .010734        0 0.001766        0
Mg2        0 .820152       0 .003976 .001073 .013237        0 0.001719        0
Mg3        0       0       0 .003925 .000799 .011714        0 0.002904        0
Na         0 .723597      .5 .009396 .001413 .018408        0 -.002370        0
Ca         0 .723597      .5 .009396 .001413 .018408        0 -.002370        0
K    .470075 .988463 .542656 .019775 .004656 .052577 -.002971 -.013012 0.002437
O1   .113094 .915579 .895356 .002979 .000984 .012620 0.000201 0.001626 -.000194
O2   .119132 .832334 .392170 .003301 .001389 .011667 0.000181 0.001258 -.000490
F3   .103301       0 .390878 .005529 .001260 .018094        0 0.002044        0
O4   .361948 .752636 .564131 .006453 .001142 .017670 0.001132 0.002957 0.000571
O5   .347232 .871696 .260310 .004116 .001736 .014426 0.000136 0.002453 0.002115
O6   .343310 .882197 .759953 .004584 .001696 .014273 -.000037 0.002856 -.002037
O7   .341288       0 .045692 .004690 .000680 .026755        0 0.001558        0
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Fluororichterite
 
Cameron M, Sueno S, Papike J J, Prewitt C T
Download am/vol68/AM68_924.pdf
American Mineralogist 68 (1983) 924-943
High temperature crystal chemistry of K and Na fluor-richterites
Na fluor-richterite  800C
_database_code_amcsd 0000915
10.032 18.131 5.284 90 106.7 90 I2/m
atom       x       y       z  B(1,1)  B(2,2)  B(3,3)   B(1,2)   B(1,3)   B(2,3)
Si1  .279351 .916091 .985628 .003265 .000854 .011115 0.000099 0.001800 -.000125
Si2  .286891 .829825 .486654 .003490 .001003 .010967 0.000384 0.001741 0.000212
Mg1        0 .910486      .5 .004453 .001198 .013517        0 0.001825        0
Mg2        0 .819634       0 .004885 .001328 .015056        0 0.001936        0
Mg3        0       0       0 .005089 .001087 .014447        0 0.004238        0
Na         0 .723454      .5 .011438 .001648 .022841        0 -.003115        0
Ca         0 .723454      .5 .011438 .001648 .022841        0 -.003115        0
K    .469233 .991334 .548098 .023289 .007652 .056224 -.006404 -.011892 0.002821
O1   .113129 .915249 .895183 .003351 .001240 .015539 0.000164 0.001421 -.000301
O2   .119610 .832196 .391848 .003880 .001597 .013276 0.000229 0.001081 -.000472
F3   .103100       0 .391519 .007067 .001670 .020922        0 0.002355        0
O4   .361824 .753412 .562946 .007952 .001247 .022929 0.001471 0.003830 0.000630
O5   .346025 .872263 .260349 .005107 .002088 .016915 0.000280 0.002489 0.002309
O6   .342653 .881909 .760649 .005756 .001980 .016465 0.000045 0.003859 -.002287
O7   .340170       0 .044083 .005911 .000785 .029764        0 0.001859        0
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Fluororichterite
 
Cameron M, Sueno S, Papike J J, Prewitt C T
Download am/vol68/AM68_924.pdf
American Mineralogist 68 (1983) 924-943
High temperature crystal chemistry of K and Na fluor-richterites
Na fluor-richterite  900C
_database_code_amcsd 0000916
10.043 18.149 5.286 90 106.69 90 I2/m
atom       x       y       z  B(1,1)  B(2,2)  B(3,3)   B(1,2)   B(1,3)   B(2,3)
Si1  .279395 .916186 .985718 .003798 .001085 .013080 0.000107 0.003004 -.000159
Si2  .287005 .829880 .487442 .004195 .001203 .012679 0.000259 0.003161 0.000012
Mg1        0 .910418      .5 .005453 .001459 .015312        0 0.003529        0
Mg2        0 .819395       0 .005538 .001519 .017567        0 0.003290        0
Mg3        0       0       0 .005572 .001311 .017792        0 0.005865        0
Na         0 .723460      .5 .013004 .001921 .025278        0 -.001699        0
Ca         0 .723460      .5 .013004 .001921 .025278        0 -.001699        0
K    .467104 .988723 .552547 .025343 .008954 .063307 -.002776 -.013009 -.000704
O1   .112887 .915169 .895422 .004713 .001447 .016057 -.000037 0.004119 -.000078
O2   .119569 .832030 .391908 .004427 .001863 .016393 0.000175 0.002257 -.000281
F3   .102901       0 .392338 .007932 .001803 .026652        0 0.003935        0
O4   .362509 .753329 .565022 .008848 .001465 .026455 0.001275 0.006289 0.000093
O5   .346180 .872464 .262337 .005742 .002315 .018274 0.000142 0.003459 0.002516
O6   .342153 .881366 .760241 .006715 .002239 .017956 0.000121 0.004468 -.002203
O7   .340252       0 .041793 .006706 .000982 .034537        0 0.002717        0
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Fluororichterite
 
Cameron M, Sueno S, Papike J J, Prewitt C T
Download am/vol68/AM68_924.pdf
American Mineralogist 68 (1983) 924-943
High temperature crystal chemistry of K and Na fluor-richterites
K fluor-richterite  24C
_database_code_amcsd 0000917
9.992 17.972 5.260 90 105.80 90 I2/m
atom       x       y       z  B(1,1)  B(2,2)  B(3,3)   B(1,2)   B(1,3)   B(2,3)
Si1  .277177 .915164 .976889 .001095 .000282 .004242 0.000112 0.000365 -.000031
Si2  .285783 .828490 .480458 .001027 .000368 .003157 0.000032 0.000163 0.000003
Mg1        0 .910661      .5 .001473 .000420 .003342        0 0.000826        0
Mg2        0 .820963       0 .001677 .000364 .006682        0 0.000378        0
Mg3        0       0       0 .001491 .000297 .005811        0 0.000376        0
Na         0 .722749      .5 .003126 .000442 .005277        0 -.000671        0
Ca         0 .722749      .5 .003126 .000442 .005277        0 -.000671        0
K    .485063       0 .508330 .011784 .002096 .033346        0 -.013013        0
O1   .111233 .914972 .891862 .001153 .000407 .005131 0.000147 0.000661 -.000070
O2   .117991 .831357 .391820 .001306 .000561 .005132 -.000033 0.000801 -.000273
F3   .101463       0 .387457 .002033 .000527 .005912       0  -.000261        0
O4   .360995 .751464 .564110 .002198 .000592 .007003 0.000679 0.000676 -.000072
O5   .345376 .869705 .249609 .001928 .000694 .005886 -.000083 0.000857 0.000550
O6   .341760 .882593 .748649 .001509 .000690 .006636 -.000038 0.000815 -.000785
O7   .335861       0 .032844 .002422 .000239 .009342        0 -.000171        0
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Fluororichterite
 
Cameron M, Sueno S, Papike J J, Prewitt C T
Download am/vol68/AM68_924.pdf
American Mineralogist 68 (1983) 924-943
High temperature crystal chemistry of K and Na fluor-richterites
K fluor-richterite  400C
_database_code_amcsd 0000918
10.041 18.056 5.272 90 105.83 90 I2/m
atom       x       y       z  B(1,1)  B(2,2)  B(3,3)   B(1,2)   B(1,3)   B(2,3)
Si1  .276177 .915547 .977002 .002152 .000610 .007375 0.000065 0.001249 0.000004
Si2  .285421 .828897 .480690 .002103 .000651 .007030 0.000155 0.000645 0.000076
Mg1        0 .910209      .5 .003012 .000770 .008699        0 0.001242        0
Mg2        0 .820156       0 .002942 .000851 .010729        0 0.000563        0
Mg3        0       0       0 .003279 .000665 .008364        0 0.001268        0
Na         0 .722197      .5 .006764 .001053 .013550        0 -.001847        0
Ca         0 .722197      .5 .006764 .001053 .013550        0 -.001847        0
K    .482215       0 .525314 .019383 .003020 .037572        0 -.014580        0
O1   .111184 .914716 .891798 .002381 .000907 .009824 0.000214 0.000497 -.000345
O2   .118032 .830999 .392406 .002599 .001165 .009653 0.000045 0.000920 -.000602
F3   .101850       0 .387746 .003860 .001389 .013062        0 0.000725        0
O4   .360771 .752215 .560540 .004456 .001012 .016637 0.001140 0.001538 0.000668
O5   .343679 .870759 .250588 .003484 .001174 .010428 -.000030 0.001148 0.001121
O6   .340387 .882039 .750258 .003505 .001433 .010172 -.000023 0.001676 -.001427
O7   .334334       0 .029711 .004427 .000546 .019861        0 0.000407        0
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Fluororichterite
 
Cameron M, Sueno S, Papike J J, Prewitt C T
Download am/vol68/AM68_924.pdf
American Mineralogist 68 (1983) 924-943
High temperature crystal chemistry of K and Na fluor-richterites
K fluor-richterite  600C
_database_code_amcsd 0000919
10.070 18.106 5.278 90 105.83 90 I2/m
atom       x       y       z  B(1,1)  B(2,2)  B(3,3)   B(1,2)   B(1,3)   B(2,3)
Si1  .275351 .915535 .976894 .002599 .000748 .008620 0.000014 0.000793 -.000067
Si2  .285122 .829132 .480556 .002882 .000854 .008677 0.000272 0.001229 0.000214
Mg1        0 .910039      .5 .003685 .001094 .011581        0 0.001635        0
Mg2        0 .819693       0 .003835 .001026 .012349        0 0.000444        0
Mg3        0       0       0 .003888 .000904 .010287        0 0.002755        0
Na         0 .721732      .5 .008572 .001392 .018030        0 -.002557        0
Ca         0 .721732      .5 .008572 .001392 .018030        0 -.002557        0
K    .475912       0 .526849 .015684 .003378 .046114        0 -.011537        0
O1   .110445 .914716 .891434 .003356 .001189 .011769 0.000199 0.000850 -.000644
O2   .118650 .830848 .392283 .002842 .001461 .010712 0.000212 0.001230 -.000641
F3   .102545       0 .387396 .005636 .001653 .013664        0 0.001416        0
O4   .361498 .753143 .559350 .006705 .001211 .019387 0.001199 0.002843 0.000462
O5   .343231 .871667 .250219 .003840 .001715 .013446 0.000240 0.001495 0.001751
O6   .339558 .881909 .751789 .004426 .001762 .012399 -.000226 0.002982 -.001973
O7   .333076       0 .028690 .004975 .000731 .024596        0 0.001239        0
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Fluororichterite
 
Cameron M, Sueno S, Papike J J, Prewitt C T
Download am/vol68/AM68_924.pdf
American Mineralogist 68 (1983) 924-943
High temperature crystal chemistry of K and Na fluor-richterites
K fluor-richterite  800C
_database_code_amcsd 0000920
10.104 18.159 5.285 90 105.85 90 I2/m
atom       x       y       z  B(1,1)  B(2,2)  B(3,3)   B(1,2)   B(1,3)   B(2,3)
Si1  .274855 .915721 .976838 .003363 .000958 .011589 0.000165 0.001450 -.000065
Si2  .284752 .829345 .480509 .003443 .001032 .011063 0.000228 0.001318 0.000070
Mg1        0 .909825      .5 .004978 .001283 .013404        0 0.002046        0
Mg2        0 .819130       0 .004983 .001445 .017141        0 0.001634        0
Mg3        0       0       0 .005317 .001206 .015200        0 0.003631        0
Na         0 .721602      .5 .010752 .001719 .022644        0 -.003039        0
Ca         0 .721602      .5 .010752 .001719 .022644        0 -.003039        0
K    .474736       0 .533448 .018746 .004231 .049215        0 -.011018        0
O1   .110823 .914582 .890979 .003808 .001446 .016465 0.000114 0.002123 -.000431
O2   .119256 .830623 .392625 .003670 .001663 .016113 0.000489 0.001099 -.000480
F3   .101383       0 .388422 .007002 .001815 .021222        0 0.000515        0
O4   .361346 .753736 .559120 .008197 .001371 .023242 0.001420 0.002941 0.000653
O5   .342041 .872215 .251104 .005330 .002035 .016180 0.000133 0.002114 0.002148
O6   .338652 .881436 .751406 .005038 .001985 .017666 -.000113 0.003241 -.002126
O7   .331460       0 .026425 .006405 .000947 .028009        0 0.002117        0
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CaGeO3
 
Sasaki S, Prewitt C T, Liebermann R C
Download am/vol68/AM68_1189.pdf
American Mineralogist 68 (1983) 1189-1198
The crystal structure of CaGeO3 perovskite and the crystal chemistry of the
GdFeO3-type perovskites
_database_code_amcsd 0000923
5.2607 5.2688 7.4452 90 90 90 Pbnm
atom      x     y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Ca   -.0051 .0283   .25 0.0046 0.0066 0.0030 -.0009      0      0
Ge        0    .5     0 0.0021 0.0025 0.0010      0      0      0
O1    .0606 .4916   .25 0.0036 0.0066 0.0015 0.0004      0      0
O2    .7157 .2830 .0320 0.0049 0.0048 0.0024 -.0016 0.0001 0.0017
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Ilmenite
Download hom/ilmenite.pdf
Wechsler B A, Prewitt C T
Download am/vol69/AM69_176.pdf
American Mineralogist 69 (1984) 176-185
Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure
24 deg C
_database_code_amcsd 0000925
5.0884 5.0884 14.0855 90 90 120 R-3
atom      x      y      z  Biso
Fe        0      0 .35537 0.582
Ti        0      0 .14640 0.458
O    .31743 .02332 .24506 0.580
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Ilmenite
Download hom/ilmenite.pdf
Wechsler B A, Prewitt C T
Download am/vol69/AM69_176.pdf
American Mineralogist 69 (1984) 176-185
Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure
400 deg C
_database_code_amcsd 0000926
5.108 5.108 14.1287 90 90 120 R-3
atom      x      y      z Biso
Fe        0      0 .35605 1.17
Ti        0      0 .14676 0.87
O    .31796 .02432 .24479 1.06
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Ilmenite
Download hom/ilmenite.pdf
Wechsler B A, Prewitt C T
Download am/vol69/AM69_176.pdf
American Mineralogist 69 (1984) 176-185
Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure
600 deg C
_database_code_amcsd 0000927
5.1182 5.1182 14.1566 90 90 120 R-3
atom      x      y      z Biso
Fe        0      0 .35650 1.51
Ti        0      0 .14696 1.10
O    .31864 .02438 .24479 1.31
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Ilmenite
Download hom/ilmenite.pdf
Wechsler B A, Prewitt C T
Download am/vol69/AM69_176.pdf
American Mineralogist 69 (1984) 176-185
Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure
800 deg C
_database_code_amcsd 0000928
5.128 5.128 14.187 90 90 120 R-3
atom      x      y      z Biso
Fe        0      0 .35689 1.86
Ti        0      0 .14722 1.32
O    .31919 .02499 .24496 1.65
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Ilmenite
Download hom/ilmenite.pdf
Wechsler B A, Prewitt C T
Download am/vol69/AM69_176.pdf
American Mineralogist 69 (1984) 176-185
Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure
1050 deg C
_database_code_amcsd 0000929
5.1412 5.1412 14.225 90 90 120 R-3
atom      x      y      z Biso
Fe        0      0 .35732 2.37
Ti        0      0 .14748 1.61
O    .31867 .02491 .24475 1.99
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Ilmenite
Download hom/ilmenite.pdf
Wechsler B A, Prewitt C T
Download am/vol69/AM69_176.pdf
American Mineralogist 69 (1984) 176-185
Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure
room temperature after heating
_database_code_amcsd 0000930
5.0889 5.0889 14.0933 90 90 120 R-3
atom      x      y      z Biso
Fe        0      0 .35542 0.57
Ti        0      0 .14645 0.47
O    .31745 .02345 .24485 0.58
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Ilmenite
Download hom/ilmenite.pdf
Wechsler B A, Prewitt C T
Download am/vol69/AM69_176.pdf
American Mineralogist 69 (1984) 176-185
Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure
1 atm
_database_code_amcsd 0000931
5.0875 5.0875 14.0827 90 90 120 R-3
atom      x      y      z  Biso
Fe        0      0 .35540 0.625
Ti        0      0 .14638 0.505
O    .31719 .02340 .24502 0.620
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Ilmenite
Download hom/ilmenite.pdf
Wechsler B A, Prewitt C T
Download am/vol69/AM69_176.pdf
American Mineralogist 69 (1984) 176-185
Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure
25.4 kbar
_database_code_amcsd 0000932
5.0691 5.0691 13.9849 90 90 120 R-3
atom      x      y      z Biso
Fe        0      0 .35562 0.68
Ti        0      0 .14637 0.53
O    .31596 .02301 .24537 0.61
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Ilmenite
Download hom/ilmenite.pdf
Wechsler B A, Prewitt C T
Download am/vol69/AM69_176.pdf
American Mineralogist 69 (1984) 176-185
Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure
34.6 kbar
_database_code_amcsd 0000933
5.0635 5.0635 13.9518 90 90 120 R-3
atom      x      y      z Biso
Fe        0      0 .35530 0.63
Ti        0      0 .14650 0.50
O    .31657 .02284 .24520 0.63
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Ilmenite
Download hom/ilmenite.pdf
Wechsler B A, Prewitt C T
Download am/vol69/AM69_176.pdf
American Mineralogist 69 (1984) 176-185
Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure
46.1 kbar
_database_code_amcsd 0000934
5.0561 5.0561 13.9115 90 90 120 R-3
atom      x      y      z Biso
Fe        0      0 .35580 0.63
Ti        0      0 .14644 0.52
O    .31649 .02165 .24545 0.65
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Clinoferrosilite
Download hom/clinoferrosilite.pdf
Sueno S, Kimata M, Prewitt C T
Download am/vol69/AM69_264.pdf
American Mineralogist 69 (1984) 264-269
The crystal structure of high clinoferrosilicate
T = 1050 C
_database_code_amcsd 0000936
9.928 9.179 5.338 90 110.20 90 C2/c
atom     x     y     z Biso
Fe1      0 .9014   .25 2.03
Fe2      0 .2625   .25 2.84
Si   .2962 .0852 .2708 1.90
O1   .1241 .0903 .1587 3.28
O2   .3747 .2398 .3616 2.23
O3   .3589 .0134 .0445 2.40
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Magnetite
Download hom/magnetite.pdf
Wechsler B A, Lindsley D H, Prewitt C T
Download am/vol69/AM69_754.pdf
American Mineralogist 69 (1984) 754-770
Crystal structure and cation distribution in titanomagnetites (Fe3-xTixO4)
MT100-1350
_database_code_amcsd 0000945
8.3958 8.3958 8.3958 90 90 90 *Fd3m
.125 .125 .125
atom     x     y     z Biso
FeA   .125  .125  .125 0.37
FeB     .5    .5    .5 0.47
O    .2547 .2547 .2547 0.64
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Titanomagnetite
 
Wechsler B A, Lindsley D H, Prewitt C T
Download am/vol69/AM69_754.pdf
American Mineralogist 69 (1984) 754-770
Crystal structure and cation distribution in titanomagnetites (Fe3-xTixO4)
USP25-1350
_database_code_amcsd 0000946
8.4237 8.4237 8.4237 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z  occ Biso
FeA    .125   .125   .125      0.46
FeB      .5     .5     .5 .875 0.51
TiB      .5     .5     .5 .125 0.51
O    .25519 .25519 .25519      0.62
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Titanomagnetite
 
Wechsler B A, Lindsley D H, Prewitt C T
Download am/vol69/AM69_754.pdf
American Mineralogist 69 (1984) 754-770
Crystal structure and cation distribution in titanomagnetites (Fe3-xTixO4)
USP25-1350, 800A
_database_code_amcsd 0000947
8.4236 8.4236 8.4236 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z  occ Biso
FeA    .125   .125   .125      0.46
FeB      .5     .5     .5 .875 0.41
TiB      .5     .5     .5 .125 0.41
O    .25520 .25520 .25520      0.65
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
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Total number of retrieved datasets: 229
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