American Mineralogist Crystal Structure Database

54 matching records for this search.

Szaibelyite
Download hom/szaibelyite.pdf
Takeuchi Y, Kudoh Y
Download am/vol60/AM60_273.pdf
American Mineralogist 60 (1975) 273-279
Szaibelyite, Mq2(OH)[B2O4(OH)]: Crystal structure, pseudosymmetry, and
polymorphism
_database_code_amcsd 0000453
12.577 10.393 3.139 90 95.9 90 P2_1/a
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Mg1  .5047 .1372 .2348  .0016  .0013  .0215  .0001  .0028  .0002
Mg2  .4129 .4208 .7104  .0021  .0019  .0297  .0002  .0024 -.0014
B1   .1372 .1680 .7598  .0028  .0019  .0383 -.0010  .0029  .0010
B2   .3072 .0472 .6253  .0030  .0023  .0372 -.0005  .0033  .0014
O1   .0762 .0616 .7804  .0026  .0023  .0302  .0002  .0024  .0015
O2   .1012 .2908 .7750  .0029  .0022  .0379 -.0002  .0026  .0001
O3   .2476 .1548 .7208  .0031  .0030  .0450      0  .0016 -.0018
Oh4  .2481 .4485 .6078  .0034  .0025  .0379  .0000  .0019  .0043
O5   .4134 .0434 .7155  .0027  .0021  .3000 -.0002  .0015  .0001
Oh6  .4084 .2953 .2059  .0027  .0020  .0354 -.0004  .0020  .0006
H1     .21   .39   .66
H2     .33   .28   .10
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Serandite
Download hom/serandite.pdf
Takeuchi Y, Kudoh Y, Yamanaka T
Download am/vol61/AM61_229.pdf
American Mineralogist 61 (1976) 229-237
Crystal chemistry of the serandite-pectolite series and related minerals
_database_code_amcsd 0000499
7.683 6.889 6.747 90.53 94.12 102.75 P-1
atom     x     y      z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Mn1  .8527 .5943  .1363 .84  .0031  .0034  .0029  .0007  .0005  .0003
Ca1  .8527 .5943  .1363 .16  .0031  .0034  .0029  .0007  .0005  .0003
Mn2  .8497 .0840  .1332 .98  .0030  .0038  .0030  .0011  .0003 -.0001
Ca2  .8497 .0840  .1332 .02  .0030  .0038  .0030  .0011  .0003 -.0001
Na   .5574 .2548  .3518      .0046  .0096  .0073  .0012  .0011 -.0002
Si1  .2166 .4025  .3414      .0027  .0025  .0029  .0008 -.0002 -.0002
Si2  .2071 .9527  .3506      .0027  .0027  .0025  .0009  .0009 -.0002
Si3  .4546 .7389  .1429      .0020  .0034  .0025  .0006  .0002  .0001
O1   .6643 .7953  .1146      .0030  .0053  .0054  .0008  .0015  .0005
O2   .3235 .7079 -.0568      .0034  .0053  .0040  .0006 -.0002 -.0002
O3   .1809 .4952  .5534      .0065  .0048  .0044  .0030  .0010 -.0003
O4   .1599 .8458  .5568      .0062  .0043  .0044  .0013  .0015  .0003
O5   .0611 .3908  .1683      .0033  .0060  .0029  .0007 -.0002  .0003
O6   .0531 .8930  .1727      .0035  .0056  .0041  .0015 -.0004 -.0007
O7   .4077 .5331  .2739      .0035  .0049  .0048  .0010  .0000  .0021
O8   .3974 .9052  .2880      .0033  .0047  .0057  .0016  .0001 -.0017
O9   .2614 .1899  .3928      .0048  .0033  .0054  .0010  .0003  .0004
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Brewsterite-Sr
Download hom/brewsteritesr.pdf
Akizuki M, Kudoh Y, Kuribayashi T
Download am/vol81/AM81_1501.pdf
American Mineralogist 81 (1996) 1501-1506
Crystal structures of the {011}, {610}, and {010} growth sectors in brewsterite
Sample: {011} sector
_database_code_amcsd 0001843
6.786 17.517 7.742 89.85 94.07 90.12 P-1
atom        x      y      z occ Biso
SiTa    .3166  .0791  .8224 .65  .99
AlTa    .3166  .0791  .8224 .35  .99
SiTa'   .3163  .4208  .8227 .60 1.05
AlTa'   .3163  .4208  .8227 .40 1.05
SiTb    .4117  .0582  .2095 .80 1.01
AlTb    .4117  .0582  .2095 .20 1.01
SiTb'   .4102  .4417  .2109 .80  .99
AlTb'   .4102  .4417  .2109 .20  .99
SiTc    .5547  .1582  .5225 .60  .91
AlTc    .5547  .1582  .5225 .40  .91
SiTc'   .5541  .3417  .5344 .60  .91
AlTc'   .5541  .3417  .5344 .40  .91
SiTd    .9045  .0520  .6416 .90  .99
AlTd    .9045  .0520  .6416 .10  .99
SiTd'   .9043  .4480  .6412      .94
O1      .3542  .1052  .0279      1.4
O1'     .3518  .3950  .0308      1.4
O2      .4289  .1255  .3537      2.0
O2'     .4259  .3745  .3550      2.0
O3      .7811  .1219  .5454      1.7
O3'     .7807  .3786  .5466      1.5
O4      .4414  .1385  .7080      1.9
O4'     .4419  .3609  .7092      2.0
O5      .0774  .0898  .7711      2.1
O5'     .0758  .4104  .7691      2.0
O6      .2348  .9985  .2444      2.6
O6'     .2346  .5014  .2485      2.5
O7      .3807  .9888  .7987      1.3
O7'     .3822  .5115  .7986      1.4
O8          0      0     .5      2.9
O8'         0     .5     .5      2.8
O9      .5688  .2501  .5044      2.6
Sr     .24861 .25009 .17502 .50 1.74
Ba     .24861 .25009 .17502 .45 1.74
K      .24861 .25009 .17502 .01 1.74
Wat10   .0569  .2503  .4667      3.7
Wat11   .9340  .1465  .1446      4.8
Wat11'  .9302  .3535  .1458      4.8
Wat12   .5996  .2504  .0289      4.1
Wat13    .081  .2499  .8619      4.0
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Brewsterite-Ba
Download hom/brewsteriteba.pdf
Akizuki M, Kudoh Y, Kuribayashi T
Download am/vol81/AM81_1501.pdf
American Mineralogist 81 (1996) 1501-1506
Crystal structures of the {011}, {610}, and {010} growth sectors in brewsterite
Sample: {610} sector
_database_code_amcsd 0001844
6.779 17.530 7.750 89.98 94.49 90.13 P-1
atom        x      y      z occ Biso
SiTa    .3218  .0806  .8229 .75  .95
AlTa    .3218  .0806  .8229 .25  .95
SiTa'   .3205  .4185  .8223 .70  .95
AlTa'   .3205  .4185  .8223 .30  .95
SiTb    .4060  .0568  .2115 .65 1.09
AlTb    .4060  .0568  .2115 .35 1.09
SiTb'   .4055  .4432  .2105 .55 1.09
AlTb'   .4055  .4432  .2105 .45 1.09
SiTc    .5560  .1583  .5340 .50 1.01
AlTc    .5560  .1583  .5340 .50 1.01
SiTc'   .5542  .3421  .5333 .70  .90
AlTc'   .5542  .3421  .5333 .30  .90
SiTd    .9085  .0528  .6407      .94
SiTd'   .9077  .4472  .6411      .90
Sr     .24969 .25010 .17711 .40 1.60
BaM    .24969 .25010 .17711 .55 1.60
KM     .24969 .25010 .17711 .01 1.60
O1      .3506  .1045  .0288      1.5
O1'     .3494  .3936  .0285      1.4
O2      .4234  .1243  .3592      2.0
O2'     .4218  .3761  .3619      1.9
O3      .7855  .1216  .5463      1.8
O3'     .7806  .3797  .5449      1.5
O4      .4497  .1406  .7160      1.8
O4'     .4501  .3589  .7120      1.8
O5      .0848  .0900  .7637      2.0
O5'     .0834  .4076  .7606      1.9
O6      .2250  .9967  .2412      2.6
O6'     .2213  .5030  .2389      2.5
O7      .3854  .9912  .7948      1.6
O7'     .3847  .5081  .7961      1.5
O8          0      0     .5      3.0
O8'         0     .5     .5      2.8
O9      .5715  .2512  .4991      2.4
Wat10   .0580  .2507  .4700      3.6
Wat11   .9285  .1461  .1506      4.9
Wat11'  .9252  .3543  .1493      4.9
Wat12   .6031  .2490  .0238      4.9
Wat13   .0639  .2494  .8631      4.9
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Brewsterite-Sr
Download hom/brewsteritesr.pdf
Akizuki M, Kudoh Y, Kuribayashi T
Download am/vol81/AM81_1501.pdf
American Mineralogist 81 (1996) 1501-1506
Crystal structures of the {011}, {610}, and {010} growth sectors in brewsterite
Sample: {010} sector
_database_code_amcsd 0001845
6.785 17.546 7.740 89.98 94.25 90.06 P-1
atom       x      y      z occ Biso
SiTa   .3192  .0797  .8229 .65 1.38
AlTa   .3192  .0797  .8229 .35 1.38
SiTa'  .3187  .4201  .8230 .60 1.39
AlTa'  .3187  .4201  .8230 .40 1.39
SiTb   .4093  .0573  .2110 .80 1.41
AlTb   .4093  .0573  .2110 .20 1.41
SiTb'  .4091  .4425  .2107 .80 1.40
AlTb'  .4091  .4425  .2107 .20 1.40
SiTc   .5550  .1583  .5335 .50 1.37
AlTc   .5550  .1583  .5335 .50 1.37
SiTc'  .5539  .3421  .5333 .60 1.32
AlTc'  .5539  .3421  .5333 .40 1.32
SiTd   .9065  .0527  .6415 .95 1.39
AlTd   .9065  .0527  .6415 .05 1.39
SiTd'  .9060  .4474  .6417 .95 1.37
AlTd'  .9060  .4474  .6417 .05 1.37
Sr     .2495 .24969 .17696 .67 1.26
Ba     .2495 .24969 .17696 .24 1.26
K      .2495 .24969 .17696 .01 1.26
O1     .3532  .1051  .0310      1.9
O1'    .3533  .3945  .0315      1.9
O2     .4240  .1249  .3562      2.7
O2'    .4246  .3753  .3576      2.6
O3     .7851  .1226  .5479      2.3
O3'    .7820  .3780  .5465      2.2
O4     .4457  .1400  .7130      2.5
O4'    .4450  .3604  .7114      2.5
O5     .0814  .0898  .7689      2.5
O5'    .0798  .4098  .7677      2.4
O6     .2313  .9977  .2417      3.1
O6'    .2309  .5020  .2423      3.0
O7     .3829  .9899  .7967      1.9
O7'    .3827  .5105  .7964      2.0
O8         0      0     .5      3.8
O8'        0     .5     .5      3.5
O9      .568  .2503  .5011      2.9
Wat10   .056  .2497  .4676      4.1
Wat11   .931  .1470   .147      5.6
Wat11'  .930  .3527   .148      5.6
Wat12   .603  .2493   .029      5.2
Wat13   .076  .2495  .8628      4.8
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KHCO3
 
Komatsu K, Kagi H, Nagai T, Kuribayashi T, Parise J B, Kudoh Y
 
American Mineralogist 92 (2007) 1270-1275
Single-crystal X-ray diffraction study of high-pressure phases of KHCO3
Locality: synthetic
Sample: phase IV, P = 4.6 GPa
Note: high-pressure polymorph of kalcinite
_database_code_amcsd 0004414
10.024 6.912 4.1868 115.92 90 90 P2_1/b
atom      x     y     z  Uiso
K    .32167 .5869 .4345 .0168
C     .0456  .705 .8191  .017
O1    .0806 .8352 .6998 .0218
O2    .9244 .6632 .8584 .0210
O3    .1397 .6120 .9320 .0191
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Topaz
Download hom/topaz.pdf
Komatsu K, Kagi H, Marshall W G, Kuribayashi T, Parise J B, Kudoh Y
 
American Mineralogist 93 (2008) 217-227
Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron
powder diffraction
Locality: synthetic
Sample: P = 0.0001 GPa
_database_code_amcsd 0004516
4.7279 8.9269 8.4214 90 90 90 Pbnm
atom      x      y      z  occ   Uiso
Al    .9062 .13273  .0797       .0053
Si    .4020 .94072    .25      .00155
O1    .7098 .02717    .25      .00350
O2    .4446 .75694    .25      .00350
O3   .21408 .99286 .09325      .00350
O4   .58996 .25057 .06533      .00359
D1    .4403  .1937  .1222 .432  .0744
D2     .556  .2978  .1720 .296  .0653
H1    .4403  .1937  .1222 .141  .0744
H2     .556  .2978  .1720 .131  .0653
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Topaz
Download hom/topaz.pdf
Komatsu K, Kagi H, Marshall W G, Kuribayashi T, Parise J B, Kudoh Y
 
American Mineralogist 93 (2008) 217-227
Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron
powder diffraction
Locality: synthetic
Sample: 7 tons, P = 0.0001 GPa
_database_code_amcsd 0004517
4.7316 8.9328 8.4286 90 90 90 Pbnm
atom     x     y     z occ  Uiso
Al   .9060 .1310 .0813     .0016
Si   .4034 .9432   .25     .0028
O1   .7154 .0264   .25     .0049
O2   .4450 .7572   .25     .0049
O3   .2148 .9950 .0931     .0049
O4   .5932 .2529 .0640     .0049
D1    .445 .1889 .1161 .59  .081
D2    .545 .2954 .1714 .41  .045
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Topaz
Download hom/topaz.pdf
Komatsu K, Kagi H, Marshall W G, Kuribayashi T, Parise J B, Kudoh Y
 
American Mineralogist 93 (2008) 217-227
Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron
powder diffraction
Locality: synthetic
Sample: 15 tons, P = 0.7 GPa
_database_code_amcsd 0004518
4.7248 8.9250 8.4100 90 90 90 Pbnm
atom     x     y     z occ  Uiso
Al    .904 .1347 .0830     .0111
Si   .4006 .9401   .25     .0111
O1   .7102 .0288   .25     .0046
O2   .4440 .7580   .25     .0046
O3   .2128 .9927 .0918     .0046
O4   .5948 .2506 .0637     .0046
D1    .457 .1870 .1211 .59  .060
D2    .520  .283 .1687 .41  .047
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Topaz
Download hom/topaz.pdf
Komatsu K, Kagi H, Marshall W G, Kuribayashi T, Parise J B, Kudoh Y
 
American Mineralogist 93 (2008) 217-227
Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron
powder diffraction
Locality: synthetic
Sample: 25 tons, P = 1.9 GPa
_database_code_amcsd 0004519
4.7129 8.9046 8.3802 90 90 90 Pbnm
atom     x     y     z occ  Uiso
Al    .902 .1340 .0843     .0076
Si   .4035 .9417   .25     .0076
O1   .7136 .0288   .25     .0060
O2    .443 .7580   .25     .0060
O3   .2150 .9927 .0920     .0060
O4   .5930 .2533 .0662     .0060
D1    .457 .1879 .1209 .59  .061
D2    .526  .285 .1718 .41  .041
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Topaz
Download hom/topaz.pdf
Komatsu K, Kagi H, Marshall W G, Kuribayashi T, Parise J B, Kudoh Y
 
American Mineralogist 93 (2008) 217-227
Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron
powder diffraction
Locality: synthetic
Sample: 38 tons, P = 3.6 GPa
_database_code_amcsd 0004520
4.6978 8.8786 8.3390 90 90 90 Pbnm
atom     x     y     z occ  Uiso
Al    .904 .1341  .090     .0078
Si   .3978 .9412   .25     .0078
O1   .7107 .0279   .25     .0062
O2    .442 .7573   .25     .0062
O3   .2151 .9930 .0896     .0062
O4   .5945 .2540 .0676     .0062
D1    .464 .1846 .1215 .59  .053
D2    .526  .278 .1756 .41  .042
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Topaz
Download hom/topaz.pdf
Komatsu K, Kagi H, Marshall W G, Kuribayashi T, Parise J B, Kudoh Y
 
American Mineralogist 93 (2008) 217-227
Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron
powder diffraction
Locality: synthetic
Sample: 46 tons, P = 4.7 GPa
_database_code_amcsd 0004521
4.6888 8.8624 8.3147 90 90 90 Pbnm
atom     x     y     z occ  Uiso
Al    .904 .1338  .090     .0105
Si    .402 .9418   .25     .0105
O1    .712 .0282   .25     .0067
O2    .445 .7584   .25     .0067
O3   .2175 .9946 .0907     .0067
O4   .5922 .2546 .0705     .0067
D1    .462 .1822  .119 .59  .064
D2    .516  .274 .1772 .41  .048
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Topaz
Download hom/topaz.pdf
Komatsu K, Kagi H, Marshall W G, Kuribayashi T, Parise J B, Kudoh Y
 
American Mineralogist 93 (2008) 217-227
Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron
powder diffraction
Locality: synthetic
Sample: 58 tons, P = 6.2 GPa
_database_code_amcsd 0004522
4.6755 8.8410 8.2823 90 90 90 Pbnm
atom     x     y     z occ  Uiso
Al    .901 .1325  .090     .0090
Si    .405 .9397   .25     .0090
O1    .718 .0251   .25     .0095
O2    .443 .7549   .25     .0095
O3   .2140 .9932 .0933     .0095
O4    .593 .2543 .0708     .0095
D1    .467  .180  .124 .59  .066
D2    .510  .272  .178 .41  .046
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Topaz
Download hom/topaz.pdf
Komatsu K, Kagi H, Marshall W G, Kuribayashi T, Parise J B, Kudoh Y
 
American Mineralogist 93 (2008) 217-227
Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron
powder diffraction
Locality: synthetic
Sample: 70 tons, P = 7.5 GPa
_database_code_amcsd 0004523
4.6658 8.8210 8.2573 90 90 90 Pbnm
atom     x     y     z occ  Uiso
Al    .906 .1316  .088     .0133
Si    .404 .9415   .25     .0133
O1    .718 .0268   .25     .0101
O2    .443 .7570   .25     .0101
O3   .2193 .9967 .0913     .0101
O4   .5934 .2538 .0710     .0101
D1    .456 .1808  .117 .59  .078
D2    .519  .274 .1800 .41  .037
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Stilbite-Ca
Download hom/stilbiteca.pdf
Akizuki M, Kudoh Y, Satoh Y
 
European Journal of Mineralogy 5 (1993) 839-843
Crystal structure of the orthorhombic {001} growth sector of stilbite
_database_code_amcsd 0006490
13.616 18.238 17.835 90 90 90 Fmmm
atom     x     y     z  occ  Biso
Ca   .5000 .0000 .2939 .945  4.09
Mg   .5000 .0000 .2939 .055  4.09
Na   .2022 .4442 .2782 .047  5.53
Mg   .2022 .4442 .2782 .013  5.53
Si1  .3860 .3070 .3764  .74  1.18
Al1  .3860 .3070 .3764  .26  1.18
Si3  .3023 .4110 .5000  .74  1.12
Al3  .3023 .4110 .5000  .26  1.12
Si4  .3883 .1831 .5000  .74   .98
Al4  .3883 .1831 .5000  .26   .98
Si5  .2500 .2500 .2500  .74  1.53
Al5  .2500 .2500 .2500  .26  1.53
O1   .3183 .3039 .3013       2.81
O3   .3719 .2321 .4249       2.51
O4   .3560 .3802 .4238       2.92
O7   .5000 .3161 .3477       2.41
O8   .3158 .1136 .5000       2.52
O9   .3083 .5000 .5000       2.27
O10  .5000 .1493 .5000       2.53
Wat1 .0000 .3728 .3020  .97 10.52
Wat2 .0417 .5000 .4217  .46  9.21
Wat3 .0998 .5000 .1777  .97 15.91
Wat4 .1334 .5000 .3749  .40 10.53
Wat5 .1426 .4171 .3135  .42 13.16
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Baddeleyite
Download hom/baddeleyite.pdf
Kudoh Y, Takeda H, Arashi H
 
Physics and Chemistry of Minerals 13 (1986) 233-237
In situ determination of crystal structure for high pressure
phase of ZrO2 using a diamond anvil and single crystal X-ray
diffraction method
Sample: P = 15 kbar
_database_code_amcsd 0007415
5.120 5.216 5.281 90 99.01 90 P2_1/c
atom     x     y     z Biso
Zr   .2754 .0395 .2086 1.17
O1   .0710 .3396 .3380  .78
O2   .4551 .7607 .4855 1.02
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Baddeleyite
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Kudoh Y, Takeda H, Arashi H
 
Physics and Chemistry of Minerals 13 (1986) 233-237
In situ determination of crystal structure for high pressure
phase of ZrO2 using a diamond anvil and single crystal X-ray
diffraction method
Sample: P = 39 kbar, post baddeleyite structure
_database_code_amcsd 0007416
5.005 5.235 5.051 90 90 90 Pbcm
atom     x     y     z occ Biso
Zr   .2683 .0334   .25      .47
O1   .0822 .3750 .1292  .5  .16
O2   .4564   .75    .5      .05
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Baddeleyite
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Kudoh Y, Takeda H, Arashi H
 
Physics and Chemistry of Minerals 13 (1986) 233-237
In situ determination of crystal structure for high pressure
phase of ZrO2 using a diamond anvil and single crystal X-ray
diffraction method
Sample: P = 51 kbar, post baddeleyite structure
_database_code_amcsd 0007417
4.992 5.229 5.046 90 90 90 Pbcm
atom     x     y     z occ Biso
Zr   .2701 .0331   .25      .49
O1   .0716 .3734 .1337  .5  .02
O2   .4570   .75    .5      .02
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Phase-E
 
Kudoh Y, Finger L W, Hazen R M, Prewitt C T, Kanzaki M, Veblen D R
 
Physics and Chemistry of Minerals 19 (1993) 357-360
Phase E: A high pressure hydrous silicate with unique
crystal chemistry
Sample: 1
_database_code_amcsd 0007732
2.9701 2.9701 13.882 90 90 120 R-3m
atom x y     z  occ Biso
Mg1  0 0     0 .664 1.50
Mg2  0 0    .5 .013 1.50
Si   0 0 .1296 .193  .93
O    0 0 .2491 .467  2.2
OH   0 0 .2491 .533  2.2
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Phase-E
 
Kudoh Y, Finger L W, Hazen R M, Prewitt C T, Kanzaki M, Veblen D R
 
Physics and Chemistry of Minerals 19 (1993) 357-360
Phase E: A high pressure hydrous silicate with unique
crystal chemistry
Sample: 2
_database_code_amcsd 0007733
2.9853 2.9853 13.9482 90 90 120 R-3m
atom x y     z  occ Biso
Mg1  0 0     0 .687 1.54
Mg2  0 0    .5 .036 1.54
Si   0 0 .1300 .169 1.03
O    0 0 .2503 .397  2.3
OH   0 0 .2503 .603  2.3
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Phase-F
 
Kudoh Y, Nagase T, Sasaki S, Tanaka M, Kanzaki M
 
Physics and Chemistry of Minerals 22 (1995) 295-299
Phase F, a new hydrous magnesium silicate synthesized at 1000 C
and 17 GPa: Crystal structure and estimated bulk modulus
Note: The authors withdrew this structure, it is not Phase-F
See PCM 24 (1997) 610
_database_code_amcsd 0007918
5.073 5.073 14.013 90 90 120 P6_3cm
atom    x   y     z occ Biso
MgM1 .634   0  .321 .29  1.8
SiM1 .634   0  .321 .29  1.8
MgM2 .688   0  .176 .16  4.0
SiM2 .688   0  .176 .16  4.0
MgM3    0   0 -.026 .09  2.4
SiM3    0   0 -.026 .09  2.4
MgM4  1/3 2/3 -.001 .45  2.4
SiM4  1/3 2/3 -.001 .45  2.4
SiT1    0   0  .134 .48  1.9
SiT2  2/3 1/3  .369 .18   .1
O1   .357   0  .081      3.2
O2   .661   0 -.088      4.3
O3    1/3 2/3  .246      2.9
O4      0   0 .2500      7.8
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Wadsleyite
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Kudoh Y, Inoue T, Arashi H
 
Physics and Chemistry of Minerals 23 (1996) 461-469
Structure and crystal chemistry of hydrous wadsleyite, Mg1.75SiH0.5O4:
possible hydrous magnesium silicate in the mantle transition zone
Locality: synthetic
_database_code_amcsd 0007971
5.663 11.546 8.247 90 90 90 Imma
atom     x     y     z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mg1      0     0     0 .97  1.0   .023   .004   .011      0      0   .003
Mg2      0   1/4 .9694 .94   .6   .010   .008   .005      0      0      0
Mg3    1/4 .1206   1/4 .78 1.00   .013   .015   .011      0   .002      0
Si       0 .1208 .6155      .82   .010   .010   .012      0      0  -.002
OH1      0   1/4  .229       .5   .000   .009   .011      0      0      0
O2       0   1/4 .7187       .4   .009   .003   .004      0      0      0
O3       0 .9856 .2571      1.5   .026   .013   .018      0      0   .003
O4   .2607 .1242 .9949      .77   .008   .009   .012  -.014   .000   .002
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CaSi2O5
 
Kudoh Y, Kanzaki M
 
Physics and Chemistry of Minerals 25 (1998) 429-433
Crystal chemical characteristics of alpha-CaSi2O5, a new high pressure
calcium silicate with five-coordinated silicon synthesized at 1500 C and 10 GPa
_database_code_amcsd 0008150
7.243 7.546 6.501 81.43 84.82 69.60 P-1
atom      x      y      z Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca1  -.4580 -.3196  .1820  .55  .0036  .0093  .0068 -.0014  .0019 -.0011
Ca2  -.0290 -.2142  .3891  .63  .0053  .0068  .0095  .0004  .0008  .0002
Si1     1/2      0    1/2  .44   .003   .007   .005 -.0008  .0021  .0004
Si2       0    1/2      0  .45   .003   .009   .004 -.0026  .0020  .0013
Si3  -.2474  .2223  .1993  .43  .0028  .0062  .0051 -.0002  .0018  .0017
Si4  -.1983 -.0704 -.1253  .36  .0029  .0063  .0029 -.0009  .0017  .0018
Si5   .3165  .4205  .3414  .42  .0020  .0064  .0045  .0005  .0018  .0025
O1    .0027  .0986  .2844  .56   .006   .008   .005  -.002   .001   .007
O2    .5004  .3669  .1723  .53   .000   .007   .009   .003   .004   .003
O3   -.1567 -.2566  .0508  .46   .004   .007   .006  -.001   .004  -.002
O4    .3012 -.3879  .4295  .84   .010   .013   .009  -.006   .002   .002
O5   -.1882  .4168  .1157  .56   .001   .009   .009   .000   .004   .001
O6   -.2243  .1221 -.0230  .72   .010   .012   .006  -.005   .001   .001
O7   -.1014 -.4593 -.2507  .75   .003   .014   .007   .000  -.001   .002
O8   -.3046  .0665  .3799  .52   .007   .009   .004  -.005   .002   .004
O9    .3487  .2405 -.4750  .48   .005   .007   .005  -.002   .005   .001
O10   .4000  .0161  .2447  .68   .006   .014   .005  -.003   .000   .003
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Wadsleyite
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Kudoh Y, Inoue T
 
Physics and Chemistry of Minerals 26 (1999) 382-388
Mg-vacant structural modules and dilution of the symmetry
of hydrous wadsleyite, beta-Mg2-xSiH2xO4 with 0.00<=x<=0.25
Sample: 0.3H-beta
_database_code_amcsd 0008218
5.674 11.477 8.235 90 90.21 90 *I2/m
.25 .25 .25
atom       x     y     z  occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
MgM1       0     0     0  .98  .55  .0048  .0007  .0023 -.0001  .0003  .0002
MgM2  -.0008   1/4 .9689  .94  .37  .0051  .0004  .0009      0  .0000      0
MgM3a    1/4 .1244   1/4  .88  .46  .0042  .0008  .0017      0  .0000      0
MgM3b    3/4 .3755   1/4  .84  .56  .0028  .0015  .0018      0  .0002      0
Si    -.0004 .1203 .6160       .45  .0038  .0009  .0015 -.0003 -.0003  .0000
O1     .0002   1/4 .2226       .56  .0026  .0012  .0026      0 -.0005      0
O2     .0007   1/4 .7173       .47  .0004  .0019  .0013      0  .0005      0
O3     .0004 .9875 .2572      1.03  .0118  .0013  .0031 -.0002 -.0007  .0005
O4a    .2604 .1231 .9939       .65  .0042  .0011  .0029  .0000  .0002  .0003
O4b    .7393 .3767 .9935       .73  .0061  .0017  .0019 -.0001  .0001  .0001
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Wadsleyite
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Kudoh Y, Inoue T
 
Physics and Chemistry of Minerals 26 (1999) 382-388
Mg-vacant structural modules and dilution of the symmetry
of hydrous wadsleyite, beta-Mg2-xSiH2xO4 with 0.00<=x<=0.25
Sample: 0.5H-beta
_database_code_amcsd 0008219
5.675 11.579 8.244 90 90.09 90 *I2/m
.25 .25 .25
atom       x     y     z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
MgM1       0     0     0      .88  .0104  .0006  .0036  .0001  .0012  .0004
MgM2   .0008   1/4 .9683 .92  .56  .0071  .0008  .0013      0  .0001      0
MgM3a    1/4 .1209   1/4 .76  .83  .0079  .0016  .0023      0  .0000      0
MgM3b    3/4 .3794   1/4 .76  .71  .0064  .0013  .0023      0  .0005      0
Si     .0001 .1207 .6156      .84  .0061  .0016  .0033 -.0001  .0001 -.0004
O1    -.0007   1/4 .2265      .81  .0027  .0018  .0041      0 -.0019      0
O2     .0033   1/4 .7184      .66  .0061  .0014  .0018      0  .0002      0
O3     .0022 .9855 .2580     1.55  .0124  .0029  .0057  .0008  .0014  .0010
O4a    .2608 .1242 .9951      .86  .0059  .0017  .0034 -.0015  .0005 -.0002
O4b    .7399 .3761 .9942      .82  .0048  .0013  .0042 -.0014  .0008 -.0003
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Ringwoodite
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Kudoh Y, Kuribayashi T, Mizobata H, Ohtami E
 
Physics and Chemistry of Minerals 27 (2000) 474-479
Structure and cation disorder of hydrous ringwoodite,
gamma-Mg1.89Si0.98H0.30O4
_database_code_amcsd 0008430
8.0693 8.0693 8.0693 90 90 90 *Fd3m
.125 .125 .125
atom     x     y     z  occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
MgM    1/2   1/2   1/2  .92  .56  .0071  .0071  .0071 -.0009 -.0009 -.0009
SiM    1/2   1/2   1/2 .025  .56  .0071  .0071  .0071 -.0009 -.0009 -.0009
MgT    1/8   1/8   1/8  .05  .45  .0057  .0057  .0057      0      0      0
SiT    1/8   1/8   1/8  .93  .45  .0057  .0057  .0057      0      0      0
O    .2439 .2439 .2439 .925  .69  .0087  .0087  .0087 -.0003 -.0003 -.0003
OH   .2439 .2439 .2439 .075  .69  .0087  .0087  .0087 -.0003 -.0003 -.0003
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delta-AlOOH
 
Kudoh Y, Kuribayashi T, Suzuki A, Ohtani E, Kamada T
 
Physics and Chemistry of Minerals 31 (2004) 360-364
Space group and hydrogen sites of delta-AlOOH and implications
for a hypothetical high-pressure form of Mg(OH)2
_database_code_amcsd 0008865
4.6975 4.2060 2.8327 90 90 90 Pnn2
atom     x     y     z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Al       0    .5     0 .84  .45  .0053  .0072  .0044  .0007      0      0
Si       0    .5     0 .09  .45  .0053  .0072  .0044  .0007      0      0
Mg       0    .5     0 .07  .45  .0053  .0072  .0044  .0007      0      0
O    .3500 .7472 .0103      .46  .0066  .0036  .0071  .0008  .0050  .0005
H1    .558  .511  .962 .30 2.04
H2    .015  .749  .495 .20  .10
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Serandite
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Takeuchi Y, Kudoh Y, Haga N
Download zk/vol138/ZK138_313.pdf
Zeitschrift fur Kristallographie 138 (1973) 313-336
The interpretation of partial Patterson functions and its application
to structure analyses of serandite Mn2NaHSi3O9 and banalsite BaNa2Al4Si4O16
Locality: Tanohata mine, Japan
_database_code_amcsd 0010758
7.683 6.889 6.747 90.53 94.12 102.75 P-1
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Mn1  .8527 .5943 .1363  .0028  .0030  .0026  .0006  .0005  .0003
Mn2  .8496 .0840 .1332  .0022  .0029  .0021  .0009  .0003 -.0001
Na1  .5573 .2547 .3518  .0038  .0086  .0063  .0010  .0010 -.0002
Si1  .2166 .4025 .3414  .0019  .0015  .0019  .0006 -.0003 -.0002
Si2  .2071 .9526 .3506  .0019  .0018  .0015  .0007  .0001 -.0002
Si3  .4545 .7388 .1430  .0013  .0024  .0015  .0003  .0002  .0002
O1   .6641 .7953 .1147  .0022  .0042  .0045  .0007  .0014  .0005
O2   .3236 .7097 .9431  .0027  .0043  .0030  .0005 -.0002 -.0003
OH3  .1809 .4954 .5533  .0057  .0037  .0034  .0029  .0009 -.0002
O4   .1599 .8457 .5567  .0055  .0032  .0033  .0012  .0014  .0000
O5   .0609 .3905 .1684  .0025  .0048  .0021  .0006 -.0002  .0003
O6   .0530 .8932 .1727  .0027  .0046  .0029  .0013 -.0006 -.0007
O7   .4077 .5332 .2738  .0027  .0038  .0037  .0008  .0000  .0018
O8   .3973 .9052 .2879  .0024  .0035  .0048  .0013 -.0001 -.0018
O9   .2613 .1900 .3928  .0038  .0026  .0041  .0008  .0001  .0002
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Banalsite
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Takeuchi Y, Kudoh Y, Haga N
Download zk/vol138/ZK138_313.pdf
Zeitschrift fur Kristallographie 138 (1973) 313-336
The interpretation of partial Patterson functions and its application to
structure analyses of serandite Mn2NaHSi3O9 and banalsite BaNa2Al4Si4O16
_database_code_amcsd 0010759
8.496 9.983 16.755 90 90 90 Ibam
atom     x     y     z occ B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Ba       0     0   .25     .00345 .00167 .00069       0       0       0
Na   .0422 .1745    .5     .00475 .00267 .00141  .00057       0       0
Al1  .2283 .4429 .4067  .5 .00210 .00101 .00029 -.00038  .00007 -.00005
Si1  .2283 .4429 .4067  .5 .00210 .00101 .00029 -.00038  .00007 -.00005
Al2  .0754 .3095 .1586  .5 .00254 .00206 .00062 -.00021  .00013 -.00003
Si2  .0754 .3095 .1586  .5 .00254 .00206 .00062 -.00021  .00013 -.00003
O1   .2143 .0153     0     .00265 .00418 .00056  .00020       0       0
O2       0 .2928   .25     .00542 .00262 .00089       0 -.00032       0
O3   .1255 .1532 .1287     .00255 .00129 .00139  .00116  .00037 -.00006
O4   .0618 .3534 .4082     .00546 .00163 .00081 -.00054  .00031 -.00032
O5   .2238 .4213 .1535     .00214 .00293 .00107 -.00125  .00029  .00020
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Stannoidite
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Kudoh Y, Takeuchi Y
Download zk/vol144/ZK144_145.pdf
Zeitschrift fur Kristallographie 144 (1976) 145-160
The superstructure of stannoidite
Locality: Konjo mine, Japan
_database_code_amcsd 0010783
10.767 5.411 16.118 90 90 90 I222
atom     x     y     z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Zn1      0     0     0 .85  .0030   .013  .0006      0      0      0
Fe1      0     0     0 .15  .0030   .013  .0006      0      0      0
Cu2     .5     0     0      .0047   .014  .0013      0      0      0
Cu3      0     0    .5      .0034   .019  .0011      0      0      0
Cu4  .2511     0    .5      .0031   .012  .0010      0      0  .0007
Fe5      0     0 .3298      .0027   .008  .0006 -.0010      0      0
Sn6      0    .5 .1693      .0014   .002  .0004  .0001      0      0
Cu7  .2465 .0107 .1695      .0039   .012  .0015 -.0007 -.0002  .0008
S1   .1308 .2443 .0826      .0028   .007  .0008 -.0021  .0002 -.0014
S2   .3792 .7558 .0801      .0024   .009  .0007  .0027  .0001 -.0015
S3   .1294 .7488 .2546      .0021   .006  .0008 -.0031  .0003 -.0002
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Forsterite
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Kudoh Y, Takeuchi Y
 
Zeitschrift fur Kristallographie 171 (1985) 291-302
The crystal structure of forsterite Mg2SiO4 under high pressure up to 149 kb
Sample: P = 31 kbar
_database_code_amcsd 0010928
4.724 10.077 5.942 90 90 90 Pbnm
atom     x     y     z Biso
Mg1      0     0     0  .30
Mg2  .9894 .2739   .25  .12
Si   .4258 .0971   .25  .10
O1   .7656 .0883   .25  .35
O2   .2153 .4481   .25  .35
O3   .2781 .1639 .0322  .32
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Forsterite
Download hom/forsterite.pdf
Kudoh Y, Takeuchi Y
 
Zeitschrift fur Kristallographie 171 (1985) 291-302
The crystal structure of forsterite Mg2SiO4 under high pressure up to 149 kb
Sample: P = 47 kbar
_database_code_amcsd 0010929
4.716 10.031 5.901 90 90 90 Pbnm
atom     x     y     z Biso
Mg1      0     0     0  .28
Mg2  .9920 .2776   .25  .08
Si   .4263 .0939   .25  .05
O1   .7667 .0910   .25  .37
O2   .2222 .4471   .25  .25
O3   .2785 .1634 .0329  .22
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Forsterite
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Kudoh Y, Takeuchi Y
 
Zeitschrift fur Kristallographie 171 (1985) 291-302
The crystal structure of forsterite Mg2SiO4 under high pressure up to 149 kb
Sample: P = 53 kbar
_database_code_amcsd 0010930
4.709 10.010 5.896 90 90 90 Pbnm
atom     x     y     z Biso
Mg1      0     0     0  .18
Mg2  .9913 .2773   .25  .20
Si   .4268 .0941   .25  .06
O1   .7660 .0915   .25  .24
O2   .2209 .4476   .25  .18
O3   .2766 .1628 .0319  .25
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Forsterite
Download hom/forsterite.pdf
Kudoh Y, Takeuchi Y
 
Zeitschrift fur Kristallographie 171 (1985) 291-302
The crystal structure of forsterite Mg2SiO4 under high pressure up to 149 kb
Sample: P = 79 kbar
_database_code_amcsd 0010931
4.688 9.933 5.861 90 90 90 Pbnm
atom     x     y     z Biso
Mg1      0     0     0  .38
Mg2  .9929 .2762   .25  .14
Si   .4261 .0945   .25  .01
O1   .7670 .0919   .25  .48
O2   .2224 .4479   .25  .44
O3   .2777 .1637 .0336  .12
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Forsterite
Download hom/forsterite.pdf
Kudoh Y, Takeuchi Y
 
Zeitschrift fur Kristallographie 171 (1985) 291-302
The crystal structure of forsterite Mg2SiO4 under high pressure up to 149 kb
Sample: P = 86 kbar
_database_code_amcsd 0010932
4.685 9.913 5.845 90 90 90 Pbnm
atom     x     y     z Biso
Mg1      0     0     0  .40
Mg2  .9903 .2768   .25  .18
Si   .4278 .0945   .25  .01
O1   .7680 .0913   .25  .21
O2   .2189 .4476   .25  .45
O3   .2771 .1646 .0336  .05
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Forsterite
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Kudoh Y, Takeuchi Y
 
Zeitschrift fur Kristallographie 171 (1985) 291-302
The crystal structure of forsterite Mg2SiO4 under high pressure up to 149 kb
Sample: P = 111 kbar
_database_code_amcsd 0010933
4.668 9.852 5.836 90 90 90 Pbnm
atom     x     y     z Biso
Mg1      0     0     0  .45
Mg2  .9945 .2741   .25  .20
Si   .4316 .0942   .25   .0
O1   .7715 .0908   .25  .07
O2   .2131 .4506   .25  .12
O3   .2862 .1644 .0322  .22
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Forsterite
Download hom/forsterite.pdf
Kudoh Y, Takeuchi Y
 
Zeitschrift fur Kristallographie 171 (1985) 291-302
The crystal structure of forsterite Mg2SiO4 under high pressure up to 149 kb
Sample: P = 149 kbar
_database_code_amcsd 0010934
4.651 9.770 5.744 90 90 90 Pbnm
atom     x     y     z Biso
Mg       0     0     0   .0
Mg   .9915 .2768   .25   .2
Si   .4288 .0958   .25   .0
O1   .7574 .0834   .25   .0
O2   .2056 .4499   .25   .3
O3   .2737 .1708 .0413   .6
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Covellite
Download hom/covellite.pdf
Takeuchi Y, Kudoh Y, Sato G
Download zk/vol173/ZK173_119.pdf
Zeitschrift fur Kristallographie 173 (1985) 119-128
The crystal structure of covellite CuS
under high pressure up to 33 kbar
Locality: Kosaka mine, Akita Prefecture, Japan
Sample: P = 1 kbar
_database_code_amcsd 0010940
3.796 3.796 16.382 90 90 120 P6_3/mmc
atom   x   y      z Biso
Cu1  1/3 2/3    .75 2.90
Cu2  1/3 2/3 .10724 1.20
S1   1/3 2/3    .25 1.70
S2     0   0  .0637  .84
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Covellite
Download hom/covellite.pdf
Takeuchi Y, Kudoh Y, Sato G
Download zk/vol173/ZK173_119.pdf
Zeitschrift fur Kristallographie 173 (1985) 119-128
The crystal structure of covellite CuS
under high pressure up to 33 kbar
Locality: Kosaka mine, Akita Prefecture, Japan
Sample: P = 12 kbar
_database_code_amcsd 0010941
3.768 3.768 16.27 90 90 120 P6_3/mmc
atom   x   y     z Biso
Cu1  1/3 2/3   .75  5.9
Cu2  1/3 2/3 .1107   .9
S1   1/3 2/3   .25    6
S2     0   0  .066  1.4
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Covellite
Download hom/covellite.pdf
Takeuchi Y, Kudoh Y, Sato G
Download zk/vol173/ZK173_119.pdf
Zeitschrift fur Kristallographie 173 (1985) 119-128
The crystal structure of covellite CuS
under high pressure up to 33 kbar
Locality: Kosaka mine, Akita Prefecture, Japan
Sample: P = 18 kbar
_database_code_amcsd 0010942
3.760 3.760 16.20 90 90 120 P6_3/mmc
atom   x   y     z Biso
Cu1  1/3 2/3   .75  5.4
Cu2  1/3 2/3 .1111   .8
S1   1/3 2/3   .25  1.4
S2     0   0  .069  2.0
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Covellite
Download hom/covellite.pdf
Takeuchi Y, Kudoh Y, Sato G
Download zk/vol173/ZK173_119.pdf
Zeitschrift fur Kristallographie 173 (1985) 119-128
The crystal structure of covellite CuS
under high pressure up to 33 kbar
Locality: Kosaka mine, Akita Prefecture, Japan
Sample: P = 21 kbar
_database_code_amcsd 0010943
3.757 3.757 16.19 90 90 120 P6_3/mmc
atom   x   y     z Biso
Cu1  1/3 2/3   .75  2.9
Cu2  1/3 2/3 .1197  .32
S1   1/3 2/3   .25   .7
S2     0   0  .069  2.8
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Covellite
Download hom/covellite.pdf
Takeuchi Y, Kudoh Y, Sato G
Download zk/vol173/ZK173_119.pdf
Zeitschrift fur Kristallographie 173 (1985) 119-128
The crystal structure of covellite CuS
under high pressure up to 33 kbar
Locality: Kosaka mine, Akita Prefecture, Japan
Sample: P = 33 kbar
_database_code_amcsd 0010944
3.729 3.729 16.11 90 90 120 P6_3/mmc
atom   x   y    z Biso
Cu1  1/3 2/3  .75    5
Cu2  1/3 2/3 .123   .4
S1   1/3 2/3  .25    1
S2     0   0 .076    1
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Helvine
Download hom/helvine.pdf
Kudoh Y, Takeuchi Y
Download zk/vol173/ZK173_305.pdf
Zeitschrift fur Kristallographie 173 (1985) 305-312
The effect of pressure on helvite Mn8S2[Be6Si6O24]
Locality: Schwarzenberg, Saxony
Sample: P = 14 kbar
_database_code_amcsd 0010952
8.261 8.261 8.261 90 90 90 P-43n
atom     x     y     z Biso
Mn   .1680 .1680 .1680  .03
Be      .5     0   .25 9.60
Si       0    .5   .25  .04
O    .1414 .1400 .4151  .38
S       .5    .5    .5 7.25
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Helvine
Download hom/helvine.pdf
Kudoh Y, Takeuchi Y
Download zk/vol173/ZK173_305.pdf
Zeitschrift fur Kristallographie 173 (1985) 305-312
The effect of pressure on helvite Mn8S2[Be6Si6O24]
Locality: Schwarzenberg, Saxony
Sample: P = 27 kbar
_database_code_amcsd 0010953
8.223 8.223 8.223 90 90 90 P-43n
atom     x     y     z Biso
Mn   .1703 .1703 .1703  .66
Be      .5     0   .25 7.70
Si       0    .5   .25  .48
O    .1399 .1405 .4134  .68
S       .5    .5    .5  2.0
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Helvine
Download hom/helvine.pdf
Kudoh Y, Takeuchi Y
Download zk/vol173/ZK173_305.pdf
Zeitschrift fur Kristallographie 173 (1985) 305-312
The effect of pressure on helvite Mn8S2[Be6Si6O24]
Locality: Schwarzenberg, Saxony
Sample: P = 36 kbar
_database_code_amcsd 0010954
8.214 8.214 8.214 90 90 90 P-43n
atom     x     y     z Biso
Mn   .1702 .1702 .1702  .82
Be      .5     0   .25  3.0
Si       0    .5   .25  .32
O    .1399 .1422 .4156  .38
S       .5    .5    .5  2.5
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Helvine
Download hom/helvine.pdf
Kudoh Y, Takeuchi Y
Download zk/vol173/ZK173_305.pdf
Zeitschrift fur Kristallographie 173 (1985) 305-312
The effect of pressure on helvite Mn8S2[Be6Si6O24]
Locality: Schwarzenberg, Saxony
Sample: P = 40 kbar
_database_code_amcsd 0010955
8.203 8.203 8.203 90 90 90 P-43n
atom     x     y     z Biso
Mn   .1708 .1708 .1708  .87
Be      .5     0   .25 5.80
Si       0    .5   .25  .61
O    .1382  .140 .4147  .58
S       .5    .5    .5  3.1
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Helvine
Download hom/helvine.pdf
Kudoh Y, Takeuchi Y
Download zk/vol173/ZK173_305.pdf
Zeitschrift fur Kristallographie 173 (1985) 305-312
The effect of pressure on helvite Mn8S2[Be6Si6O24]
Locality: Schwarzenberg, Saxony
Sample: P = 45 kbar
_database_code_amcsd 0010956
8.190 8.190 8.190 90 90 90 P-43n
atom     x     y     z Biso
Mn   .1700 .1700 .1700  .77
Be      .5     0   .25 4.00
Si       0    .5   .25  .47
O    .1387 .1402 .4137  .71
S       .5    .5    .5  3.1
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Xonotlite
Download hom/xonotlite.pdf
Kudoh Y, Takeuchi Y
Download mj/vol9/MJ9_349.pdf
Mineralogical Journal 9 (1979) 349-373
Polytypism in xonotlite: (I) Structure of an A-1 polytype
Locality: Heguri, Chiba Prefecture, Japan
_database_code_amcsd 0014421
8.712 7.363 14.023 89.99 90.36 102.18 A-1
atom     x     y     z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Ca1  .5046 .0016 .2523  .59  .0013  .0025  .0011  .0002 -.0003 -.0001
Ca2  .1335 .1645 .1684  .84  .0028  .0030  .0014  .0011  .0003  .0005
Ca3  .1385 .6537 .1707  .59  .0020  .0022  .0010  .0007  .0000  .0001
Si1  .2118 .2170 .8841  .52  .0022  .0015  .0008  .0004  .0000  .0004
Si2  .2118 .6389 .8843  .52  .0019  .0017  .0008  .0005  .0000  .0000
Si3  .3182 .9547 .0281  .49  .0013  .0021  .0008  .0003  .0001 -.0001
O1      .5     0     0 1.65  .0032  .0090  .0027  .0008  .0006 -.0003
O2   .2190 .4303 .9211 1.21  .0061  .0042  .0014  .0020 -.0003 -.0001
O3   .3512 .7179 .8096  .97  .0032  .0041  .0014  .0009  .0007  .0000
O4   .3434 .2059 .8087  .96  .0032  .0039  .0014  .0002  .0000  .0004
O5   .2297 .1116 .9860 1.00  .0041  .0048  .0012  .0021  .0000  .0004
O6   .2294 .7538 .9858 1.07  .0045  .0047  .0011  .0003  .0002 -.0004
O7   .0424 .6382 .8326  .92  .0015  .0040  .0019  .0007 -.0013 -.0002
O8   .0463 .1339 .8370  .94  .0031  .0056  .0009  .0002  .0007  .0004
O9   .2988 .9506 .1390  .49  .0028  .0024  .0002  .0002 -.0004  .0001
OH10 .2977 .4481 .1347 1.32  .0025  .0069  .0023  .0010 -.0002 -.0003
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Fayalite
Download hom/fayalite.pdf
Kudoh Y, Takeda H
 
Physica B 140 (1986) 333-336
Single crystal X-ray diffraction study on the bond compressibility
of fayalite, Fe2SiO4 and rutile, TiO2 under high pressure
Sample: P = 0.001 kbar
_database_code_amcsd 0014999
4.822 10.488 6.094 90 90 90 Pbnm
atom     x     y     z Biso
Fe1      0     0     0  .38
Fe2  .9860 .2802   .25  .34
Si   .4301 .0974   .25  .29
O1   .7679 .0916   .25  .51
O2   .2104 .4541   .25  .46
O3   .2881 .1649 .0380  .59
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Fayalite
Download hom/fayalite.pdf
Kudoh Y, Takeda H
 
Physica B 140 (1986) 333-336
Single crystal X-ray diffraction study on the bond compressibility
of fayalite, Fe2SiO4 and rutile, TiO2 under high pressure
Sample: P = 49 kbar
_database_code_amcsd 0015000
4.793 10.310 6.041 90 90 90 Pbnm
atom     x     y     z Biso
Fe1      0     0     0  .32
Fe2  .9831 .2787   .25  .35
Si   .4265 .0939   .25  .28
O1   .7730 .0874   .25  .56
O2   .2129 .4530   .25  .48
O3   .2839 .1690 .0344  .38
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Fayalite
Download hom/fayalite.pdf
Kudoh Y, Takeda H
 
Physica B 140 (1986) 333-336
Single crystal X-ray diffraction study on the bond compressibility
of fayalite, Fe2SiO4 and rutile, TiO2 under high pressure
Sample: P = 67 kbar
_database_code_amcsd 0015001
4.773 10.252 6.026 90 90 90 Pbnm
atom     x     y     z Biso
Fe1      0     0     0  .47
Fe2  .9840 .2792   .25  .47
Si   .4281 .0956   .25  .29
O1   .7677 .0876   .25  .53
O2   .2079 .4489   .25  .98
O3   .2889 .1628 .0403  .48
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Fayalite
Download hom/fayalite.pdf
Kudoh Y, Takeda H
 
Physica B 140 (1986) 333-336
Single crystal X-ray diffraction study on the bond compressibility
of fayalite, Fe2SiO4 and rutile, TiO2 under high pressure
Sample: P = 93 kbar
_database_code_amcsd 0015002
4.757 10.153 5.985 90 90 90 Pbnm
atom     x     y     z Biso
Fe1      0     0     0  .47
Fe2  .9822 .2787   .25  .47
Si   .4231 .0933   .25  .29
O1   .7694 .0938   .25  .54
O2   .2071 .4507   .25  .46
O3   .2866 .1660 .0380  .18
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Fayalite
Download hom/fayalite.pdf
Kudoh Y, Takeda H
 
Physica B 140 (1986) 333-336
Single crystal X-ray diffraction study on the bond compressibility
of fayalite, Fe2SiO4 and rutile, TiO2 under high pressure
Sample: P = 117 kbar
_database_code_amcsd 0015003
4.756 10.089 5.976 90 90 90 Pbnm
atom     x     y     z Biso
Fe1      0     0     0  .09
Fe2  .9826 .2714   .25  .92
Si   .4277 .0892   .25 1.11
O1   .7832 .1019   .25 3.17
O2   .2045 .4642   .25  .59
O3   .3069 .1920 .0462  .45
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Fayalite
Download hom/fayalite.pdf
Kudoh Y, Takeda H
 
Physica B 140 (1986) 333-336
Single crystal X-ray diffraction study on the bond compressibility
of fayalite, Fe2SiO4 and rutile, TiO2 under high pressure
Sample: P = 140 kbar
_database_code_amcsd 0015004
4.739 9.899 5.979 90 90 90 Pbnm
atom     x     y     z Biso
Fe1      0     0     0  .04
Fe2  .9771 .2746   .25  .98
Si   .4265 .0891   .25  .26
O1   .8087 .0913   .25 2.65
O2   .1866 .4624   .25  .64
O3   .3010 .1855 .0455  .01
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Total number of retrieved datasets: 54
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