American Mineralogist Crystal Structure Database

44 matching records for this search.

Picropharmacolite
Download hom/picropharmacolite.pdf
Catti M, Ferraris G, Ivaldi G
Download am/vol66/AM66_385.pdf
American Mineralogist 66 (1981) 385-391
The crystal structure of picropharmacolite, Ca4Mg(HAsO4)2(AsO4)2*11H2O
_database_code_amcsd 0000825
13.547 13.500 6.710 99.85 96.41 91.60 P-1
atom      x     y     z Biso  B(1,1)  B(2,2)  B(3,3)   B(1,2)   B(1,3)   B(2,3)
As1   .4780 .1321 .2007      .002765 .000850 .003481 -.000700 -.000566 -.001147
As2   .3966 .4164 .0624      .002074 .001133 .005801  .000420 -.000850 -.000573
As3   .7177 .2856 .5546      .001936 .000991 .004061 -.000280  .000283 -.001433
As4   .8093 .0155 .7877      .003180 .001416 .005221 -.000140 -.000566 -.001433
Ca1   .6347 .3305 .0702      .004010 .000425 .005221 -.000420 -.001133 -.001147
Ca2   .4987 .3725 .5677      .004010 .000567 .004641 -.000560  .000283 -.000573
Ca3   .5733 .0881 .7256      .002489 .001416 .007541 -.000700 -.000566 -.001433
Ca4   .6965 .0195 .2559      .003318 .000850 .006381 -.000700  .001699 -.000287
Mg    .8739 .1952 .2149      .002489 .001133 .004061  .000420 -.001416  .000287
O1     .427  .229  .336  1.3
O2     .394  .050  .060  1.7
O3     .559  .171  .065  2.1
O4     .540  .066  .360  1.8
OH5    .310  .321  .091  2.3
O6     .334  .499 -.033  1.8
O7     .463  .457  .285  1.6
O8     .472  .358 -.096  1.2
O9     .637  .253  .713  0.6
O10    .658  .367  .430  2.1
O11    .822  .338  .708  1.7
O12    .752  .192  .381  0.6
O13    .919  .045  .727  2.3
O14    .784  .087  .011  1.8
OH15   .813 -.110  .822  2.4
O16    .713  .021  .608  1.3
Wat1   .818  .325  .087  1.4
Wat2   .319  .412  .573  1.7
Wat3   .400  .152  .686  1.5
Wat4   .814 -.115  .239  2.9
Wat5   .986  .189  .033  3.8
Wat6   .960  .299  .437  2.4
Wat7   .932  .082  .348  3.1
Wat8   .835  .745  .493  2.6
Wat9   .887  .656  .019  2.9
Wat10  .888  .517  .678  2.5
Wat11  .908  .502  .267  2.4
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Magnesiochloritoid
Download hom/magnesiochloritoid.pdf
Ivaldi G, Catti M, Ferraris G
Download am/vol73/AM73_358.pdf
American Mineralogist 73 (1988) 358-364
Crystal structure at 25 and 700 C of magnesiochloritoid from a high-pressure
assemblage (Monte Rosa)
Sample at 25 C
_database_code_amcsd 0001139
9.460 5.471 18.182 90 101.4 90 C2/c
atom      x      y      z occ Biso
Al1A    .25    .25      0     .418
Al2A      0  .4025    .25     .340
Mg1B .08397 .74576 .00088 .65 .553
Fe1B .08397 .74576 .00088 .35 .553
Al2B .24994 .65365 .24886     .347
Si   .46403 .40298 .15595     .268
O1A   .1146  .3927 .05294      .58
OH1B  .2646  .9447 .05001      .55
O1C   .4267  .3977 .06359      .49
O2A   .3945  .1589 .18819      .39
O2B   .3949  .6479 .18730      .39
O2C   .1393  .9037 .18702      .39
O2D   .1485  .4016 .20164      .32
H      .137   .404   .112
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Magnesiochloritoid
Download hom/magnesiochloritoid.pdf
Ivaldi G, Catti M, Ferraris G
Download am/vol73/AM73_358.pdf
American Mineralogist 73 (1988) 358-364
Crystal structure at 25 and 700 C of magnesiochloritoid from a high-pressure
assemblage (Monte Rosa)
Sample at 700 C
_database_code_amcsd 0001140
9.515 5.516 18.300 90 101.3 90 C2/c
atom      x     y      z occ Biso
Al1A    .25   .25      0     1.44
Al2A      0 .4028    .25     1.22
Mg1B .08411 .7468 .00070 .65 2.03
Fe1B .08411 .7468 .00070 .35 2.03
Al2B  .2498 .6537 .24871     1.24
Si   .46414 .4026 .15604      .97
OH1A  .1147 .3922  .0531     1.78
OH1B  .2640 .9456  .0500     1.73
O1C   .4270 .3976  .0642     1.56
O2A   .3949 .1601  .1880     1.29
O2B   .3949 .6465  .1868     1.28
O2C   .1385 .9037  .1863     1.30
O2D   .1493 .4016  .2028     1.05
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Piemontite
Download hom/piemontite.pdf
Catti M, Ferraris G, Ivaldi G
Download am/vol73/AM73_1370.pdf
American Mineralogist 73 (1988) 1370-1376
Thermal behavior of the crystal structure of strontian piemontite
Sample: T = 25 C
_database_code_amcsd 0001202
8.884 5.684 10.202 90 115.23 90 P2_1/m
atom      x     y      z  occ Biso B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Ca1  .75896   .75 .15395           .00402 .00603 .00229       0 .00198       0
Ca2  .59844   .75 .42438 .799      .00340 .01029 .00164       0 .00074       0
Sr2  .59844   .75 .42438 .201      .00340 .01029 .00164       0 .00074       0
Al1       0     0      0 .810      .00162 .00325 .00146 -.00010 .00053  .00009
Mn1       0     0      0 .136      .00162 .00325 .00146 -.00010 .00053  .00009
Fe1       0     0      0 .054      .00162 .00325 .00146 -.00010 .00053  .00009
Al2       0     0     .5           .00154 .00317 .00149 -.00016 .00060 -.00014
Al3  .29468   .25 .22161 .059      .00143 .00433 .00155       0 .00053       0
Mn3  .29468   .25 .22161 .672      .00143 .00433 .00155       0 .00053       0
Fe3  .29468   .25 .22161 .269      .00143 .00433 .00155       0 .00053       0
Si1  .34046   .75 .04491           .00189 .00410 .00149       0 .00070       0
Si2  .68461   .25 .27550           .00174 .00425 .00155       0 .00070       0
Si3  .18391   .75 .31827           .00181 .00441 .00158       0 .00087       0
O1    .2338 .9921  .0369           .00294 .00495 .00331  .00071 .00168  .00042
O2    .3041 .9799  .3545           .00274 .00588 .00234 -.00098 .00107  .00014
O3    .7957 .0154  .3396           .00209 .00487 .00252  .00038 .00000 -.00028
O4    .0576   .25  .1312           .00259 .00433 .00202       0 .00107       0
O5    .0417   .75  .1465           .00220 .00696 .00176       0 .00043       0
O6    .0667   .75  .4068           .00298 .00410 .00226       0 .00161       0
O7    .5145   .75  .1792           .00263 .00789 .00223       0 .00040       0
O8    .5264   .25  .3124           .00259 .01091 .00284       0 .00158       0
O9    .6239   .25  .1000           .00572 .01408 .00208       0 .00202       0
O10   .0837   .25  .4308           .00259 .00495 .00202       0 .00134       0
H      .055   .25   .350       1.2
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Piemontite
Download hom/piemontite.pdf
Catti M, Ferraris G, Ivaldi G
Download am/vol73/AM73_1370.pdf
American Mineralogist 73 (1988) 1370-1376
Thermal behavior of the crystal structure of strontian piemontite
Sample: T = 800 C
_database_code_amcsd 0001203
8.934 5.727 10.30 90 115.26 90 P2_1/m
atom      x     y      z  occ B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Ca1   .7605   .75  .1550      .01091 .01707 .00651       0 .00581       0
Ca2   .5959   .75  .4208 .799 .00850 .02949 .00501       0 .00259       0
Sr    .5959   .75  .4208 .201 .00850 .02949 .00501       0 .00259       0
Al1       0     0      0 .810 .00428 .00853 .00380 -.00070 .00169 -.00051
Mn1       0     0      0 .136 .00428 .00853 .00380 -.00070 .00169 -.00051
Fe1       0     0      0 .054 .00428 .00853 .00380 -.00070 .00169 -.00051
Al2       0     0     .5      .00440 .00899 .00420 -.00032 .00179 -.00009
Al3  .29447   .25 .22185 .059 .00367 .01295 .00440       0 .00166       0
Mn3  .29447   .25 .22185 .672 .00367 .01295 .00440       0 .00166       0
Fe3  .29447   .25 .22185 .269 .00367 .01295 .00440       0 .00166       0
Si1   .3390   .75  .0426      .00440 .00983 .00340       0 .00199       0
Si2   .6851   .25  .2757      .00390 .01059 .00340       0 .00179       0
Si3   .1841   .75  .3182      .00390 .00998 .00331       0 .00199       0
O1    .2337 .9882  .0358      .00658 .01600 .00777  .00167 .00418  .00187
O2    .3035 .9780  .3550      .00720 .01600 .00576 -.00280 .00298  .00009
O3    .7949 .0183  .3411      .00608 .01143 .00576  .00140 .00079 -.00009
O4    .0598   .25  .1295      .00497 .01372 .00345       0 .00179       0
O5    .0433   .75  .1471      .00574 .01600 .00345       0 .00169       0
O6    .0656   .75  .4050      .00727 .01372 .00547       0 .00465       0
O7    .5117   .75  .1739      .00574 .02362 .00489       0 .00066       0
O8    .5250   .25  .3090      .00497 .03048 .00777       0 .00435       0
O9    .6301   .25  .1031      .01646 .03811 .00432       0 .00564       0
OH10  .0811   .25  .4304      .00727 .00838 .00576       0 .00431       0
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Delindeite
Download hom/delindeite.pdf
Ferraris G, Ivaldi G, Pushcharovsky D Y, Zubkova N V, Pekov I V
Download cm/vol39/CM39_1307.pdf
The Canadian Mineralogist 39 (2001) 1307-1316
The crystal structure of delindeite, Ba2{(Na,K,_)3(Ti,Fe)[Ti2(O,OH)4Si4O14](H2O,OH)2},
a member of the mero-plesiotype bafertisite series
_database_code_amcsd 0005741
5.327 6.856 21.51 90 93.80 90 A2/m
atom        x      y      z occ Uiso
Ba      .2539      0 .27141 .96 .017
Ba'      .254      0   .221 .02 .015
Ba"      .261      0   .320 .02 .015
Ti(1)       0      0      0     .015
Ti(2)   .2731    1/2  .3453     .057
Si      .7891 -.2298  .3788     .020
Na(1)   -.055      0   .503 .24 .029
Na(2)     1/2  -.246    1/2 .56 .030
O(1)     .827  -.299  .4510     .029
O(2)     .097      0  .6252 .54 .022
O(2')    .326      0   .616 .46 .032
O(3)     .527  -.297  .3461     .061
O(4)     .012  -.302  .3399     .072
O(5)    -.272      0  .0596     .028
O(6)     .260   .059  .7577 .50 .022
Wat(7)   .287      0   .440 .58 .048
Wat(7')  .252      0   .476 .38 .032
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Gjerdingenite-Fe
 
Raade G, Ferraris G, Gula A, Ivaldi G
Download cm/vol40/CM40_1629.pdf
The Canadian Mineralogist 40 (2002) 1629-1639
Gjerdingenite-Fe from Norway, a new mineral species
in the labuntsovite group: Description, crystal
structure and twinning
Locality: Norway
_database_code_amcsd 0005798
14.529 13.943 7.837 90 117.61 90 C2/m
atom      x      y     z occ  Uiso
KB    .4307  .0323  .731 .30  .078
NaB   .4307  .0323  .731 .18  .078
WatB  .4307  .0323  .731 .52  .078
KB'     1/2  .8312     0 .52  .084
WatB'   1/2  .8312     0 .48  .084
WatC  .0899      0  .335 .85  .079
KC    .0899      0  .335 .14  .079
CaC   .0899      0  .335 .01  .079
FeD       0      0   1/2 .48  .016
MnD       0      0   1/2 .38  .016
NbM1      0  .7676   1/2 .54 .0191
TiM1      0  .7676   1/2 .43 .0191
FeM1      0  .7676   1/2 .02 .0191
ZrM1      0  .7676   1/2 .01 .0191
NbM2    3/4    3/4   1/2 .54 .0204
TiM2    3/4    3/4   1/2 .43 .0204
FeM2    3/4    3/4   1/2 .02 .0204
ZrM2    3/4    3/4   1/2 .01 .0204
Si1   .2079  .1091 .7998     .0143
Si2   .6852  .8897 .7542     .0147
O1    .9032  .7704 .6113      .017
O2    .9161  .8822 .3308      .016
O3    .2598  .8705 .3787      .018
O4    .2721  .8198 .7334      .018
O5    .4152 .82098 .3032      .022
O6    .3557      0 .2710      .012
O7    .2331  .8721 .0260      .020
O8    .2422      0 .7844      .020
Wat       0   .140     0      .102
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Ferriallanite-(Ce)
 
Kartashov P M, Ferraris G, Ivaldi G, Sokolova E V, McCammon C A
Download cm/vol41/CM41_829.pdf
The Canadian Mineralogist 41 (2003) 829-830
Ferriallanite-(Ce), CaCeFeAlFe(SiO4)(Si2O7)O(OH), a new member of the
epidote group: Description, X-ray and Mossbauer study: Errata
Note: supercedes data from The Canadian Mineralogist 40 (2002) 1641-1648
_database_code_amcsd 0005860
8.962 5.836 10.182 90 115.02 90 P2_1/m
atom        x     y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
CaA1   .75593   3/4 .14914 .97 .0129  .0199  .0098  .0139      0  .0120      0
CeA1   .75593   3/4 .14914 .03 .0129  .0199  .0098  .0139      0  .0120      0
CeA2    .5930   3/4 .42969 .89 .0101  .0073  .0141  .0080      0  .0023      0
CaA2    .5930   3/4 .42969 .11 .0101  .0073  .0141  .0080      0  .0023      0
Si1     .3426   3/4 .03835     .0069  .0060  .0072  .0073      0  .0027      0
Si2     .6854   1/4 .27559     .0079  .0069  .0083  .0094      0  .0043      0
Si3     .1930   3/4 .32639 .94 .0066  .0050  .0075  .0074      0  .0027      0
Al3     .1930   3/4 .32639 .06 .0066  .0050  .0075  .0074      0  .0027      0
FeM1        0     0      0 .80 .0068  .0057  .0063  .0084 -.0001  .0029  .0005
TiM1        0     0      0 .14 .0068  .0057  .0063  .0084 -.0001  .0029  .0005
AlM1        0     0      0 .06 .0068  .0057  .0063  .0084 -.0001  .0029  .0005
AlM2        0     0    1/2 .56 .0077  .0060  .0070  .0093  .0004  .0023 -.0007
FeM2        0     0    1/2 .44 .0077  .0060  .0070  .0093  .0004  .0023 -.0007
FeM3   .30699   1/4 .21701 .93 .0095  .0058  .0106  .0100      0  .0012      0
MnM3   .30699   1/4 .21701 .07 .0095  .0058  .0106  .0100      0  .0012      0
O1      .2382 .9863  .0256     .0100  .0088  .0068  .0160  .0010  .0068  .0002
O2      .3169 .9691  .3670     .0098  .0082  .0097  .0106 -.0017  .0031  .0003
O3      .7955 .0178  .3304     .0125  .0103  .0077  .0152  .0004  .0013 -.0012
O4      .0627   1/4  .1374     .0093  .0075  .0107  .0079      0  .0016      0
O5      .0525   3/4  .1558     .0101  .0098  .0109  .0085      0  .0030      0
O6      .0742   3/4  .4132     .0104  .0098  .0118  .0130      0  .0075      0
O7      .5102   3/4  .1814     .0123  .0100  .0150  .0099      0  .0020      0
O8      .5445   1/4  .3325     .0168  .0080   .032   .012      0  .0055      0
O9      .6041   1/4  .0977     .0144   .015   .020  .0098      0  .0064      0
O10     .0937   1/4  .4316     .0115    .01   .014   .011      0  .0054      0
H        .083   1/4   .358       .05
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Anorthoclase
Download hom/anorthoclase.pdf
Nestola F, Curetti N, Benna P, Ivaldi G, Angel R, Bruno E
 
The Canadian Mineralogist 46 (2008) 1443-1454
Compressibility and high-pressure behavior of Ab63Or27An10 anorthoclase
Locality: Torino, Italy
Note: P = 0.0001 GPa
_database_code_amcsd 0006199
8.278 12.949 7.145 91.79 116.16 90.19 C-1
atom     x     y     z  occ Uiso
Na   .2751 .0027 .1369  .63 .079
K    .2751 .0027 .1369  .27 .079
Ca   .2751 .0027 .1369  .10 .079
Al10 .0061 .1737 .2165 .275 .023
Si10 .0061 .1737 .2165 .725 .023
Al1m .0043 .8178 .2213 .275 .028
Si1m .0043 .8178 .2213 .725 .028
Al20 .6969 .1139 .3392 .275 .024
Si20 .6969 .1139 .3392 .725 .024
Al2m .6938 .8814 .3492 .275 .022
Si2m .6938 .8814 .3492 .725 .022
OA1  .0002 .1362 .9934      .046
OA2  .6040 .9967 .2817      .034
OB0  .8262 .1246 .2218      .032
OBm  .8250 .8590 .2378      .037
OC0  .0212 .2998 .2625      .036
OCm  .0262 .6915 .2441      .044
OD0  .1889 .1184 .3917      .034
ODm  .1861 .8727 .4065      .049
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Anorthoclase
Download hom/anorthoclase.pdf
Nestola F, Curetti N, Benna P, Ivaldi G, Angel R, Bruno E
 
The Canadian Mineralogist 46 (2008) 1443-1454
Compressibility and high-pressure behavior of Ab63Or27An10 anorthoclase
Locality: Torino, Italy
Note: P = 4.7 GPa
_database_code_amcsd 0006200
7.959 12.767 6.999 92.51 116.50 90.69 C-1
atom      x     y     z  occ Uiso
Na    .2616 .0050 .1356  .63 .053
K     .2616 .0050 .1356  .27 .053
Ca    .2616 .0050 .1356  .10 .053
Al10  .0018 .1674 .2165 .275 .021
Si10  .0018 .1674 .2165 .725 .021
Al1m -.0033 .8147 .2247 .275 .021
Si1m -.0033 .8147 .2247 .725 .021
Al20  .6850 .1085 .3246 .275 .022
Si20  .6850 .1085 .3246 .725 .022
Al2m  .6767 .8771 .3568 .275 .021
Si2m  .6767 .8771 .3568 .725 .021
OA1   .0025 .1351 .9830      .036
OA2   .5795 .9917 .2826      .026
OB0   .8087 .1058 .1960      .037
OBm   .8072 .8503 .2329      .035
OC0  -.0012 .2925 .2719      .026
OCm   .0093 .6873 .2235      .024
OD0   .1901 .1181 .3925      .043
ODm   .1798 .8706 .4101      .030
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Anorthoclase
Download hom/anorthoclase.pdf
Nestola F, Curetti N, Benna P, Ivaldi G, Angel R, Bruno E
 
The Canadian Mineralogist 46 (2008) 1443-1454
Compressibility and high-pressure behavior of Ab63Or27An10 anorthoclase
Locality: Torino, Italy
Note: P = 6.0 GPa
_database_code_amcsd 0006201
7.890 12.720 6.960 92.46 116.53 90.83 C-1
atom      x     y     z  occ Uiso
Na    .2593 .0050 .1378  .63 .050
K     .2593 .0050 .1378  .27 .050
Ca    .2593 .0050 .1378  .10 .050
Al10  .0018 .1666 .2208 .275 .024
Si10  .0018 .1666 .2208 .725 .024
Al1m -.0071 .8144 .2222 .275 .020
Si1m -.0071 .8144 .2222 .725 .020
Al20  .6838 .1074 .3259 .275 .022
Si20  .6838 .1074 .3259 .725 .022
Al2m  .6716 .8764 .3518 .275 .022
Si2m  .6716 .8764 .3518 .725 .022
OA1   .0047 .1351 .9871      .036
OA2   .5737 .9908 .2765      .026
OB0   .8045 .1038 .1936      .048
OBm   .7976 .8494 .2201      .040
OC0  -.0095 .2925 .2700      .026
OCm   .0052 .6872 .2226      .030
OD0   .1928 .1179 .3950      .049
ODm   .1752 .8713 .4119      .038
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Muscovite
Download hom/muscovite.pdf
Catti M, Ferraris G, Ivaldi G
 
European Journal of Mineralogy 1 (1989) 625-632
Thermal strain analysis in the crystal structure of muscovite at 700 C
T = 25 C
_database_code_amcsd 0006358
5.191 9.006 20.068 90 95.77 90 C2/c
atom     x     y     z occ Biso
K        0 .0989   1/4 .88 1.86
Na       0 .0989   1/4 .11 1.86
Al   .2502 .0834 .0001 .96  .81
Fe   .2502 .0834 .0001 .03  .81
Mg   .2502 .0834 .0001 .01  .81
AlT1 .4650 .9298 .1354 .23  .90
SiT1 .4650 .9298 .1354 .77  .90
AlT2 .4513 .2585 .1355 .23  .91
SiT2 .4513 .2585 .1355 .77  .91
O1   .4146 .0932 .1685     1.38
O2   .2519 .8096 .1573     1.50
O3   .2515 .3716 .1689     1.39
O4   .4623 .9442 .0535     1.01
O5   .3835 .2515 .0534     1.01
O6   .4577 .5614 .0500     1.10
H     .371  .627  .050      6.3
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Muscovite
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Catti M, Ferraris G, Ivaldi G
 
European Journal of Mineralogy 1 (1989) 625-632
Thermal strain analysis in the crystal structure of muscovite at 700 C
T= 700 C
_database_code_amcsd 0006359
5.229 9.076 20.322 90 95.74 90 C2/c
atom     x     y     z occ Biso
K        0 .0983   1/4 .88  5.2
Na       0 .0983   1/4 .11  5.2
Al   .2517 .0836 .0001 .96 1.54
Fe   .2517 .0836 .0001 .03 1.54
Mg   .2517 .0836 .0001 .01 1.54
AlT1 .4642 .9306 .1344 .23 1.51
SiT1 .4642 .9306 .1344 .77 1.51
AlT2 .4510 .2590 .1344 .23 1.49
SiT2 .4510 .2590 .1344 .77 1.49
O1   .4297 .0937 .1670      2.6
O2   .2402 .8208 .1566      3.0
O3   .2397 .3629 .1671      2.7
O4   .4631 .9451 .0534      1.9
O5   .3795 .2514 .0532      1.9
O6   .4576 .5622 .0492      2.7
H     .371  .627  .050      6.3
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Muscovite-3T
 
Amisano-Canesi A, Chiari G, Ferraris G, Ivaldi G, Soboleva S V
 
European Journal of Mineralogy 6 (1994) 489-496
Muscovite- and phengite-3T: crystal structure and conditions of formation
Locality: Kazakhstan
_database_code_amcsd 0006546
5.212 5.212 29.804 90 90 120 P3_112
atom     x     y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K    .1285 .2570    1/6  .93 .0266  .0269  .0273  .0257  .0137  .0002      0
Na   .1285 .2570    1/6  .03 .0266  .0269  .0273  .0257  .0137  .0002      0
AlM2 .7966 .8983      0      .0069   .009  .0058  .0069  .0045      0 -.0001
AlM3 .4570 .2285      0  .50 .0057   .006  .0058  .0049  .0032  .0018  .0009
FeM3 .4570 .2285      0  .25 .0057   .006  .0058  .0049  .0032  .0018  .0009
MgM3 .4570 .2285      0  .21 .0057   .006  .0058  .0049  .0032  .0018  .0009
TiM3 .4570 .2285      0  .04 .0057   .006  .0058  .0049  .0032  .0018  .0009
SiT1 .7861 .5813 .09046 .828 .0089  .0089  .0093  .0087  .0047  .0002  .0003
AlT1 .7861 .5813 .09046 .172 .0089  .0089  .0093  .0087  .0047  .0002  .0003
SiT2 .4689 .9219 .09055 .822 .0087  .0086  .0086  .0090  .0042  .0002  .0000
AlT2 .4689 .9219 .09055 .178 .0087  .0086  .0086  .0090  .0042  .0002  .0000
O1   .7491 .5683  .0359       .014   .011   .015   .014   .005   .000   .002
O2   .5042 .9422  .0359       .014   .016   .014   .011   .008  -.001 -.0006
O3   .6624 .7857 .11309       .017   .020   .018   .017   .013  -.001   .000
O4   .1280 .7084 .10697       .019   .016   .018   .016   .004   .001   .003
O5   .5920  .252  .1126       .018   .019   .017   .018   .010   .000   .000
O6   .1259 .1912 .03462       .016   .017   .017   .017   .010   .000  -.001
H     .014  .291   .042        .03
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Muscovite-3T
 
Amisano-Canesi A, Chiari G, Ferraris G, Ivaldi G, Soboleva S V
 
European Journal of Mineralogy 6 (1994) 489-496
Muscovite- and phengite-3T: crystal structure and conditions of formation
Locality: Dora-Maira
_database_code_amcsd 0006547
5.212 5.212 29.804 90 90 120 P3_112
atom     x     y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2)  U(1,3) U(2,3)
K    .1277 .2554    1/6  .92 .0103  .0304  .0293  .0318  .0147  -.0005      0
Na   .1277 .2554    1/6  .01 .0103  .0304  .0293  .0318  .0147  -.0005      0
AlM2 .7969 .8985      0      .0132  .0069  .0129  .0066  .0066       0  .0002
MgM2 .7969 .8985      0  .60 .0132  .0069  .0129  .0066  .0066       0  .0002
TiM3 .4556 .2278      0  .01 .0121  .0117  .0118  .0130  .0058       0  .0007
AlM3 .4556 .2278      0  .41 .0121  .0117  .0118  .0130  .0058       0  .0007
TiM3 .4556 .2278      0  .01 .0121  .0117  .0118  .0130  .0058       0  .0007
AlT1 .7862 .5812 .09029 .115 .0109  .0115  .0105  .0116  .0061   .0000  .0005
SiT1 .7862 .5812 .09029 .885 .0109  .0115  .0105  .0116  .0061   .0000  .0005
AlT2 .4678 .9209 .09024 .115 .0105  .0099  .0088  .0122  .0041  -.0003 -.0001
SiT2 .4678 .9209 .09024 .885 .0105  .0099  .0088  .0122  .0041  -.0003 -.0001
O1   .7558 .5683 .03612       .017   .018   .020  .0155    .01   .0000  .0015
O2   .4998 .9374 .03620      .0160   .018   .016  .0156  .0093  -.0003  .0005
O3   .6519 .7750 .11282      .0182   .021   .018  .0186  .0120  -.0009  .0005
O4   .1264 .7179 .10738      .0193   .017   .019   .019   .007    .001  .0012
O5   .6019 .2510 .11251       .021   .025   .017   .019   .010  -.0006 -.0014
O6   .1236 .1939 .03511      .0193   .024   .020  .0184   .014  -.0003 -.0017
H     .102  .359   .030        .05
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Magnesiodumortierite
 
Ferraris G, Ivaldi G, Chopin C
 
European Journal of Mineralogy 7 (1995) 167-174
Magnesiodumortierite, a new mineral from very-high-pressure
rocks (Western Alps). Part I: Crystal structure
_database_code_amcsd 0006582
11.91 20.40 4.730 90 90 90 Pmcn
atom     x     y     z occ Biso
MgM1   3/4 .2497 .3910 .49 1.49
TiM1   3/4 .2497 .3910 .19 1.49
FeM1   3/4 .2497 .3910 .01 1.49
AlM2 .6109 .4731 .5588 .95  .40
AlM3 .4922 .4321 .0610 .95  .40
AlM4 .3653 .2920 .0660 .71  .72
MgM4 .3653 .2920 .0660 .25  .72
B      1/4 .4155  .231      .72
SiT1   3/4 .4075 .0879      .78
SiT2 .5242 .3302 .5893 .94  .49
PT2  .5242 .3302 .5893 .01  .49
O1     3/4 .4552 .3776      .86
O2     3/4 .3289 .1535  .5 1.22
OH2    3/4 .3289 .1535  .5 1.22
O3   .6409 .4262 .8985      .69
O4   .4375 .2839 .4160      .97
O5   .5514 .3945 .3972      .74
O6   .4563 .3539 .8790      .96
O7   .6378 .2890 .6546  .5 1.21
OH7  .6378 .2890 .6546  .5 1.21
O8     1/4 .3501 .1852     1.14
O9   .3502 .4478 .2550 .77  .77
OH9  .3502 .4478 .2550 .23  .77
O10    1/4 .2752 .7552     1.21
O11  .4673 .4886 .7499      .65
H      1/4  .312 -.332      2.3
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Altisite
 
Ferraris G, Ivaldi G, Khomyakov A P
 
European Journal of Mineralogy 7 (1995) 537-546
Altisite Na3K6Ti2[Al2Si8O26]Cl3 a new hyperalkaline
aluminosilicate from Kola Peninsula (Russia) related to
lemoynite: crystal structure and thermal evolution
Sample: RT, T = 20 C, before heating
Locality: Kola Peninsula, Russia
_database_code_amcsd 0006594
10.363 16.310 9.132 90 105.34 90 C2/m
atom      x      y      z  occ  Uiso
K1   .20736 .14143 .10725  .95 .0176
Na1  .20736 .14143 .10725  .05 .0176
K2    .0992  .0081  .3636 .425  .036
Na2   .0992  .0081  .3636 .075  .036
Na1       0 .38349    1/2      .0143
Na2       0    1/2      0      .0329
Ti      1/4    1/4    1/2      .0046
Si1  .72539 .09782 .26426      .0059
Si2  .94853 .21292 .27675      .0063
Al        0 .31610      0      .0069
O1    .8755 .12217  .2527      .0115
O2    .6906 .14466  .4031      .0107
O3    .6219 .11684  .1022      .0122
O4    .7308      0  .2970      .0120
O5    .8684 .26948  .3691      .0087
O6    .9285 .25297  .1096      .0125
O7    .1045 .19446  .3543      .0117
Cl1       0      0      0      .0209
Cl2  .11781    1/2 .72409      .0206
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Altisite
 
Ferraris G, Ivaldi G, Khomyakov A P
 
European Journal of Mineralogy 7 (1995) 537-546
Altisite Na3K6Ti2[Al2Si8O26]Cl3 a new hyperalkaline
aluminosilicate from Kola Peninsula (Russia) related to
lemoynite: crystal structure and thermal evolution
Sample: HT, T = 700 C
Locality: Kola Peninsula, Russia
_database_code_amcsd 0006595
10.423 16.333 9.160 90 105.62 90 C2/m
atom      x      y      z  occ  Uiso
K1    .2052 .14147  .1066  .95 .0563
Na1   .2052 .14147  .1066  .05 .0563
K2    .1028  .0151  .3665 .425  .086
Na2   .1028  .0151  .3665 .075  .086
Na1       0  .3847    1/2      .0465
Na2       0    1/2      0       .081
Ti      1/4    1/4    1/2      .0148
Si1  .72627 .09803 .26440      .0164
Si2  .94619 .21412 .27537      .0173
Al        0 .31552      0      .0191
O1    .8749  .1234  .2520      .0292
O2    .6946  .1428  .4065      .0303
O3    .6209  .1183  .1052      .0343
O4    .7319      0  .2918       .032
O5    .8649  .2703  .3657      .0260
O6    .9276  .2530  .1086      .0355
O7    .1013  .1972  .3549      .0341
Cl1       0      0      0       .078
Cl2   .1212    1/2  .7282      .0694
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Altisite
 
Ferraris G, Ivaldi G, Khomyakov A P
 
European Journal of Mineralogy 7 (1995) 537-546
Altisite Na3K6Ti2[Al2Si8O26]Cl3 a new hyperalkaline
aluminosilicate from Kola Peninsula (Russia) related to
lemoynite: crystal structure and thermal evolution
Sample: RT', T = 20 C, after heating
Locality: Kola Peninsula, Russia
_database_code_amcsd 0006596
10.337 16.257 9.099 90 105.49 90 C2/m
atom      x      y      z  occ  Uiso
K1   .20868 .14134 .10698  .95 .0206
Na1  .20868 .14134 .10698  .05 .0206
K2    .1006 -.0090  .3605 .425  .034
Na2   .1006 -.0090  .3605 .075  .034
Na1       0 .38382    1/2      .0132
Na2       0    1/2      0      .0292
Ti      1/4    1/4    1/2      .0039
Si1  .72500 .09780 .26499      .0056
Si2  .94867 .21186 .27612      .0063
Al        0 .31469      0      .0071
O1    .8764 .12060  .2555      .0108
O2    .6896  .1447  .4040      .0110
O3    .6221  .1180  .1023      .0128
O4    .7276      0  .2974      .0118
O5    .8693 .26881  .3692      .0090
O6    .9258  .2515  .1077      .0138
O7    .1055  .1939  .3517      .0127
Cl1       0      0      0      .0305
Cl2  .12081    1/2  .7278      .0230
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Nafertisite
 
Ferraris G, Ivaldi G, Khomyakov A P, Soboleva S V, Belluso E, Pavese A
 
European Journal of Mineralogy 8 (1996) 241-249
Nafertisite, a layer titanosilicate member of a polysomatic series including mica
_database_code_amcsd 0006619
5.353 16.176 21.95 90 94.6 90 A2/m
atom     x     y      z occ Uiso
Na1    1/2     0      0      .05
Na2      0 -.154      0  .5  .02
Na2'     0 -.279      0  .5  .02
Fe1   .242 .3994 -.2649  .8 .010
Fe2   .257 .8001 -.2453  .8 .016
Fe3   .258     0 -.2319  .8 .012
Ti   -.036     0 -.0980     .005
Si1   .444 -.122  -.117     .073
Si2   .434  .312  -.133     .042
Si3  -.064  .408  -.136     .030
O1    .387  .301  -.206      .02
OH2   .390   1/2  -.223      .03
O3    .411 -.104  -.186      .01
O4   -.109  .404  -.207      .05
OH5   .104  .295  -.305      .02
O6    .075   1/2  -.328      .02
O7    .215  .362  -.109      .02
O8    .725 -.089  -.081      .01
O9    .247  .082  -.079      .06
O10   .455  .222  -.100      .01
O11   .752  .360  -.105      .05
O12  -.073   1/2  -.105      .03
O13      0     0      0      .00
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Phlogopite-2O
 
Ferraris G, Gula A, Ivaldi G, Nespolo M, Sokolova E, Uvarova Y, Khomyakov A P
 
European Journal of Mineralogy 13 (2001) 1013-1023
First structure determination of an MDO-2O mica polytype associated with a 1M polytype
_database_code_amcsd 0006910
5.2781 9.141 20.124 90 90 90 Ccmm
atom      x      y      z occ  Uiso
K     .6662      0    1/4 .97 .0326
Na    .6662      0    1/4 .03 .0326
MgM1      0      0      0 .68 .0105
FeM1      0      0      0 .11 .0105
LiM1      0      0      0 .21 .0105
MgM2      0 .66627      0 .66 .0106
FeM2      0 .66627      0 .11 .0106
LiM2      0 .66627      0 .23 .0106
SiT  .16620 .16668 .13564 .85 .0086
AlT  .16620 .16668 .13564 .15 .0086
O1    .1550      0 .16637     .0181
O2    .4215  .2448 .16636     .0182
O3    .1660  .1667 .05551     .0115
Oh    .6681      0 .05185  .6 .0131
F     .6681      0 .05185  .4 .0131
H      .655      0   .088  .6 .0300
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Fluorophlogopite-1M
 
Ferraris G, Gula A, Ivaldi G, Nespolo M, Sokolova E, Uvarova Y, Khomyakov A P
 
European Journal of Mineralogy 13 (2001) 1013-1023
First structure determination of an MDO-2O mica polytype associated with a 1M polytype
_database_code_amcsd 0006911
5.305 9.199 10.232 90 100.03 90 C2/m
atom     x      y      z occ  Uiso
K        0    1/2      0 .97 .0366
Na       0    1/2      0 .03 .0366
MgM1     0      0    1/2 .72 .0106
FeM1     0      0    1/2 .12 .0106
LiM1     0      0    1/2 .16 .0106
MgM2     0  .3337    1/2 .71 .0123
FeM2     0  .3337    1/2 .11 .0123
LiM2     0  .3337    1/2 .18 .0123
SiT  .0762 .16676 .22871 .85 .0085
AlT  .0762 .16676 .22871 .15 .0085
O1   .0419      0  .1676     .0198
O2   .3127  .2432  .1675     .0196
O3   .1298  .1670  .3895     .0109
Oh   .1330    1/2  .3968  .4 .0137
F    .1330    1/2  .3968  .6 .0137
H     .112    1/2   .301  .4 .0300
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Phengite-3T
 
Ivaldi G, Ferraris G, Curetti N, Compagnoni R
 
European Journal of Mineralogy 13 (2001) 1025-1034
Coexisting 3T and 2M_1 polytypes of phengite from Cima Pal (Val Savenca, western Alps):
Chemical and polytypic zoning and structural characterisation
Sample: 3TY
Locality: Cima Pal, Val Savenca, western Alps
_database_code_amcsd 0006912
5.220 5.220 29.762 90 90 120 P3_112
atom     x     y      z  occ  Uiso
KI   .1281 .2562    1/6   .9 .0254
NaI  .1281 .2562    1/6  .05 .0254
AlM2 .7969 .8984      0 .755 .0101
MgM2 .7969 .8984      0  .16 .0101
FeM2 .7969 .8984      0  .09 .0101
TiM2 .7969 .8984      0 .015 .0101
AlM3 .4559 .2280      0 .755 .0108
MgM3 .4559 .2280      0  .16 .0108
FeM3 .4559 .2280      0  .09 .0108
TiM3 .4559 .2280      0 .015 .0108
SiT1 .7863 .5813 .09037  .85 .0086
AlT1 .7863 .5813 .09037  .15 .0086
SiT2 .4681 .9216 .09037  .85 .0094
AlT2 .4681 .9216 .09037  .15 .0094
O1   .6570 .7797  .1131      .0167
O2   .1274 .7133  .1071      .0186
O3   .5967 .2503  .1127      .0168
O4   .7512 .5674  .0360      .0137
O5   .5033 .9412  .0361      .0137
O6   .1245 .1908  .0348      .0146
H      .14   .32   .038        .07
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Phengite-3T
 
Ivaldi G, Ferraris G, Curetti N, Compagnoni R
 
European Journal of Mineralogy 13 (2001) 1025-1034
Coexisting 3T and 2M_1 polytypes of phengite from Cima Pal (Val Savenca, western Alps):
Chemical and polytypic zoning and structural characterisation
Sample: 3TG
Locality: Cima Pal, Val Savenca, western Alps
_database_code_amcsd 0006913
5.228 5.228 29.73 90 90 120 P3_112
atom     x     y      z  occ  Uiso
KI   .1269 .2539    1/6  .95 .0261
NaI  .1269 .2539    1/6  .01 .0261
AlM2 .7987 .8994      0   .7 .0086
MgM2 .7987 .8994      0  .17 .0086
FeM2 .7987 .8994      0 .135 .0086
TiM2 .7987 .8994      0 .015 .0086
AlM3 .4535 .2268      0   .7 .0114
MgM3 .4535 .2268      0  .17 .0114
FeM3 .4535 .2268      0 .135 .0114
TiM3 .4535 .2268      0 .015 .0114
SiT1 .7863 .5809 .09037 .875 .0088
AlT1 .7863 .5809 .09037 .125 .0088
SiT2 .4680 .9210 .09037 .875 .0081
AlT2 .4680 .9210 .09037 .125 .0081
O1   .6477 .7696  .1130      .0160
O2   .1260 .7238  .1079      .0177
O3   .6047 .2501  .1125      .0171
O4   .7530 .5672  .0361      .0147
O5   .4989 .9360  .0362      .0132
O6   .1222 .1911  .0352      .0192
H      .15   .32   .036        .04
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Phengite-2M1
 
Ivaldi G, Ferraris G, Curetti N, Compagnoni R
 
European Journal of Mineralogy 13 (2001) 1025-1034
Coexisting 3T and 2M_1 polytypes of phengite from Cima Pal (Val Savenca, western Alps):
Chemical and polytypic zoning and structural characterisation
Sample: 2M1Y
Locality: Cima Pal, Val Savenca, western Alps
_database_code_amcsd 0006914
5.2132 9.051 19.937 90 95.76 90 C2/c
atom      x      y      z  occ   Uiso
KI        0 .09634    1/4  .98  .0237
NaI       0 .09634    1/4  .02  .0237
AlM2 .24717 .08247 .00002 .775 .00824
MgM2 .24717 .08247 .00002  .12 .00824
FeM2 .24717 .08247 .00002 .105 .00824
TiM2 .24717 .08247 .00002  .01 .00824
SiT1 .46378 .92929 .13547 .845  .0071
AlT1 .46378 .92929 .13547 .155  .0071
SiT2 .45205 .25865 .13551 .845  .0073
AlT2 .45205 .25865 .13551 .155  .0073
O1    .4416  .0933 .16885       .0153
O2    .2363  .8251 .16046       .0169
O3    .2362  .3579 .16927       .0153
O4    .4576  .9393 .05396       .0123
O5    .3928 .25151 .05397       .0124
O6    .4559  .5641 .05222       .0154
H      .380   .635   .056        .039
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Phengite-2M1
 
Ivaldi G, Ferraris G, Curetti N, Compagnoni R
 
European Journal of Mineralogy 13 (2001) 1025-1034
Coexisting 3T and 2M_1 polytypes of phengite from Cima Pal (Val Savenca, western Alps):
Chemical and polytypic zoning and structural characterisation
Sample: 2M1G
Locality: Cima Pal, Val Savenca, western Alps
_database_code_amcsd 0006915
5.225 9.057 19.956 90 95.73 90 C2/c
atom      x      y      z   occ  Uiso
KI        0 .09564    1/4   .99 .0254
NaI       0 .09564    1/4   .02 .0254
AlM2 .24663 .08226 .00003   .71 .0081
MgM2 .24663 .08226 .00003  .165 .0081
FeM2 .24663 .08226 .00003   .12 .0081
TiM2 .24663 .08226 .00003   .02 .0081
SiT1 .46349 .92899 .13551 .8625 .0083
AlT1 .46349 .92899 .13551 .1375 .0083
SiT2 .45222 .25859 .13555 .8625 .0092
AlT2 .45222 .25859 .13555 .1375 .0092
O1    .4469  .0934 .16886       .0159
O2    .2333  .8279 .16095       .0171
O3    .2329  .3552 .16929       .0161
O4    .4567  .9386 .05410       .0132
O5    .3946  .2515 .05413       .0133
O6    .4557  .5646 .05271       .0177
H      .378   .629   .058         .07
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Sphaerobertrandite
 
Pekov I V, Chukanov N V, Larsen A O, Merlino S, Pasero M, Pushcharovsky D Y,
Ivaldi G, Zadov A E, Grishin V G, Asheim A, Tafto J, Chistyakova N I
 
European Journal of Mineralogy 15 (2003) 157-166
Sphaerobertrandite, Be3SiO4(OH)2: new data, crystal structure and genesis
_database_code_amcsd 0006960
5.082 4.640 17.696 90 106.13 90 P2_1/c
atom     x     y     z  Uiso
Be1   .290  .416 .1198  .006
Be2   .629  .089 .9604  .007
Be3   .110  .917 .2924  .006
Si   .0274 .4195 .3755 .0073
O1    .023  .574 .1430  .008
O2    .045  .571 .2933  .008
O3    .228  .069 .0990  .001
O4    .697  .974 .0540  .008
OH5   .307  .575 .0413  .011
OH6   .557  .465 .1939  .013
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Shirokshinite
 
Pekov I V, Chukanov N V, Ferraris G, Ivaldi G, Pushcharovsky D Y, Zadov A E
 
European Journal of Mineralogy 15 (2003) 447-454
Shirokshinite, K(NaMg2)Si4O10F2, a new mica with octahedral Na from Khidiny massif,
Kola Peninsula: descriptive data and structural disorder
Locality: Khidiny massif, Kola Peninsula, Russia
_database_code_amcsd 0006989
5.269 9.092 10.197 90 100.12 90 C2/m
atom     x     y     z   occ Uiso
K        0   1/2     0    .9 .035
Na       0   1/2     0   .02 .035
NaM1     0     0   1/2  .307 .013
MgM1     0     0   1/2  .657 .013
FeM1     0     0   1/2   .03 .013
MnM1     0     0   1/2 .0033 .013
TiM1     0     0   1/2 .0033 .013
NaM2     0 .3338   1/2  .307 .019
MgM2     0 .3338   1/2  .657 .019
FeM2     0 .3338   1/2   .03 .019
MnM2     0 .3338   1/2 .0033 .019
TiM2     0 .3338   1/2 .0033 .019
Si   .0762 .1667 .2261  .995 .015
Al   .0762 .1667 .2261  .005 .015
O1    .048     0  .164       .024
O2    .308 .2471 .1636       .024
O3    .132 .1678 .3849       .019
F     .124   1/2 .3897       .039
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Topaz
Download hom/topaz.pdf
Alberico A, Ferrando S, Ivaldi G, Ferraris G
 
European Journal of Mineralogy 15 (2003) 875-881
X-ray single-crystal structure refinement of an OH-rich topaz from Sulu UHP terrane
(Eastern China) - Structural foundation of the correlation between cell parameters
and fluorine content
Locality: Sulu UHP terrane, Eastern China
_database_code_amcsd 0007017
4.6696 8.8486 8.3915 90 90 90 Pbnm
atom      x      y      z occ   Uiso U(1,1) U(2,2) U(3,3)  U(1,2)  U(1,3)  U(2,3)
Al   .90543 .13126 .08148     .00543 .00555 .00531 .00544  .00012 -.00009 -.00012
Si   .40000 .94092    1/4     .00471 .00465 .00482 .00467  .00017       0       0
O1   .79373 .53096    1/4     .00619 .00546 .00702 .00610  .00087       0       0
O2   .45186 .75634    1/4     .00619 .00705 .00482 .00668  .00063       0       0
O3   .78824 .01025 .90720     .00607 .00588 .00641 .00590  .00101 -.00124  .00010
F    .90221 .75257 .05998 .70 .00823 .00779 .00843 .00846 -.00190  .00054  .00087
O    .90221 .75257 .05998 .30 .00823 .00779 .00843 .00846 -.00190  .00054  .00087
H       .96    .76    .15 .30
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Phaunouxite
Download hom/phaunouxite.pdf
Catti M, Ivaldi G
Download http://scripts.iucr.org/cgi-bin/openurl?genre=article&issn=0108-7681&volume=39&spage=4
Acta Crystallographica B39 (1983) 4-10
On the topotactic dehydration Ca3(AsO4)2*11H2O (phaunouxite) ->
Ca3(AsO4)2*10H2O (rauenthalite), and the structures of both minerals
Locality: Sainte Marie-aux-Mines, Alsace, France
_database_code_amcsd 0009785
12.563 12.181 6.205 88.94 91.67 113.44 P-1
atom       x     y      z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca1    .1682 .5660  .3208 .0108  .0143  .0102  .0080  .0057 -.0009 -.0007
Ca2    .1084 .3371  .8407 .0108  .0152  .0104  .0067  .0069  .0009  .0010
Ca3    .1605 .9097  .4957 .0120  .0184  .0103  .0074  .0065  .0001  .0014
As1    .2598 .1854  .1645 .0097  .0119  .0096  .0075  .0050  .0008  .0004
As2    .0859 .6283  .7746 .0084  .0128  .0088  .0037  .0063  .0004  .0006
O1     .1814 .2015 -.0493  .018  .0250   .019   .011   .014  -.008  -.004
O2     .1683 .0845  .3344  .018   .024   .017   .014   .008   .003   .007
O3     .3226 .3166  .2967  .019   .025   .015   .017   .007  -.001  -.003
O4     .3633 .1436  .0786  .018   .013   .017   .024   .007  -.004  -.007
O5    -.0452 .6345  .8097  .012   .014   .013   .009   .008   .002   .000
O6     .0535 .4850  .7066  .013   .022   .006   .011   .005  -.004  -.003
O7     .1501 .7135  .5617  .012   .023   .011   .002   .008   .003   .004
O8     .1687 .6715  .9993  .014   .021   .016   .006   .007   .000   .001
Wat1   .3618 .7127  .3905  .029   .021   .035   .032   .012  -.005  -.013
Wat2   .2515 .4467  .5563  .019   .023   .019   .014   .012   .001  -.002
Wat3   .2759 .4839  .0635  .016   .012   .021   .014   .006   .006   .001
Wat4   .0554 .2158  .5053  .014   .021   .014   .008   .011   .001   .001
Wat5  -.0879 .1696  .8650  .018   .031   .017   .006   .008   .004  -.001
Wat6   .0719 .9804  .7864  .018   .025   .012   .016   .003  -.001  -.003
Wat7   .3377 .9390  .3182  .040   .032   .048   .039   .025   .016   .019
Wat8   .3003 .9697  .7735  .048   .059   .057   .027   .043  -.030  -.031
Wat9   .4023 .8017  .8229  .039   .029   .047   .040   .015  -.005   .007
Wat10  .4349 .3049  .7068  .032   .030   .031   .036   .010   .006   .008
Wat11  .4536 .5426  .7790  .027   .017   .036   .029   .003   .006   .003
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Rauenthalite
Download hom/rauenthalite.pdf
Catti M, Ivaldi G
Download http://scripts.iucr.org/cgi-bin/openurl?genre=article&issn=0108-7681&volume=39&spage=4
Acta Crystallographica B39 (1983) 4-10
On the topotactic dehydration Ca3(AsO4)2*11H2O (phaunouxite) ->
Ca3(AsO4)2*10H2O (rauenthalite), and the structures of both minerals
Locality: Sainte Marie-aux-Mines, Alsace, France
_database_code_amcsd 0009786
12.564 12.169 6.195 89.09 79.69 118.58 P-1
atom      x     y     z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca1   .1852 .5871 .2560 .020   .023   .012   .024   .015  -.001  -.005
Ca2   .1258 .3560 .7921 .018   .020   .010   .023   .011  -.006   .000
Ca3   .1642 .9274 .4295 .018   .020   .013   .021   .012  -.009  -.006
As1   .2783 .2190 .0583 .018   .019   .010   .025   .011  -.009  -.004
As2   .0903 .6369 .7388 .016   .019   .009   .019   .010  -.009  -.005
O1     .195  .223 -.128 .021
O2     .179  .108  .261 .021
O3     .351  .361  .148 .018
O4     .381  .176 -.073 .022
O5    -.052  .621  .832 .014
O6     .064  .494  .674 .022
O7     .158  .732  .506 .023
O8     .176  .688  .929 .016
Wat1   .387  .765  .224 .031
Wat2   .289  .484  .453 .019
Wat3   .307  .523 -.057 .029
Wat4   .067  .227  .482 .020
Wat5  -.093  .160  .904 .019
Wat6   .071  .984  .760 .014
Wat7   .364  .986  .179 .024
Wat8   .315  .007  .647 .040
Wat9   .414  .850  .681 .035
Wat10  .486  .342  .445 .044
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Cattiite
Download hom/cattiite.pdf
Catti M, Franchini-Angela M, Ivaldi G
Download zk/vol155/ZK155_53.pdf
Zeitschrift fur Kristallographie 155 (1981) 53-64
A case of polytypism in hydrated oxysalts:
the crystal structure of Mg3(PO4)2*22H2O-II
Locality: synthetic
_database_code_amcsd 0010835
6.937 6.932 16.132 82.15 89.72 119.49 P-1
atom     x     y      z B(1,1) B(2,2) B(3,3) B(1,2)  B(1,3)  B(2,3)
Mg1      0    .5      0 .01470 .01395 .00124 .00718 -.00039 -.00060
Mg2  .6483 .2510 .34371 .01049 .01007 .00135 .00488 -.00013 -.00042
P    .0031 .9632 .24028 .00842 .00944 .00125 .00453 -.00031 -.00073
O1   .9739 .9293  .3369 .01381 .00986 .00167 .00495  .00000 -.00002
O2   .1470 .2165  .2077 .01173 .01902 .00216 .00760 -.00107 -.00231
O3   .1173 .8372  .2137 .01312 .01268 .00187 .00767 -.00005 -.00108
O4   .7737 .8735  .2056 .01312 .01197 .00138 .00530 -.00036 -.00079
Ow1  .7765 .3162  .1055 .03590 .01338 .00177 .00767  .00104 -.00079
Ow2  .1703 .7771  .0582 .03245 .03452 .00187 .02720 -.00026  .00000
Ow3  .2045 .3862  .0472 .02623 .02254 .00207 .01185  .00208 -.00026
Ow4  .7473 .0684  .4254 .01242 .01973 .00315 .00906 -.00130 -.00369
Ow5  .7613 .5082  .4116 .01242 .01338 .00177 .00627  .00033 -.00063
Ow6  .9686 .4124  .2855 .02623 .01268 .00138 .00418  .00000 -.00105
Ow7  .5721 .4165  .2404 .01173 .01268 .00216 .00418 -.00099  .00034
Ow8  .3408 .1484  .4078 .01450 .01197 .00236 .00697  .00104  .00052
Ow9  .5020 .9672  .2855 .03383 .03311 .00167 .02790  .00156  .00158
Ow10 .6450 .8168  .0488 .01795 .02325 .00226 .00906 -.00078 -.00079
Ow11 .2786 .5280  .4150 .02140 .02184 .00207 .00906 -.00182 -.00105
H1    .722  .351   .134
H2    .756  .195   .130
H3    .130  .790   .107
H4    .237  .895   .033
H5    .190  .328   .098
H6    .249  .324   .022
H7    .820  .018   .402
H8    .717  .021   .470
H9    .850  .655   .388
H10   .762  .504   .459
H11   .000  .524   .264
H12   .038  .352   .257
H13   .432  .356   .232
H14   .629  .552   .237
H15   .207  .059   .384
H16   .332  .260   .412
H17   .588  .933   .256
H18   .384  .932   .259
H19   .519  .747   .055
H20   .692  .843   .095
H21   .361  .655   .393
H22   .174  .489   .390
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Ca5H2(AsO4)4*5H2O
 
Catti M, Ivaldi G
Download zk/vol157/ZK157_119.pdf
Zeitschrift fur Kristallographie 157 (1981) 119-130
Mechanism of the reaction Ca5H2(AsO4)4*9H2O (ferrarisite) ->
Ca5H2(AsO4)4*5H2O) (dimorph of vladimirite), and structure of the latter phase
Note: formed by dehydrating ferrarisite at 60 C
Locality: Sainte-Marie-aux-Mines (Alsace), France
_database_code_amcsd 0010836
8.286 6.673 9.743 86.58 111.10 99.74 P-1
atom       x     y     z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
As1    .4621 .1278 .8103            .022   .007   .040   .008   .023   .005
As2   -.0476 .3509 .8099            .018   .005   .240  -.002   .015  -.003
Ca1    .6525 .6519 .9093            .016   .005   .048  -.003   .017  -.001
Ca2    .1172 .8458 .9150            .021   .008   .033  -.002   .020  -.002
Ca3    -.148  .304  .422  .5        .059   .040   .011  -.004   .014  -.037
O1      .466  .332  .901     .022
O2      .624 -.002  .900     .018
O3      .266 -.021  .756     .020
O4      .488  .207  .647     .029
O5      .095  .549  .783     .017
O6      .065  .182  .930     .014
O7     -.177  .419  .894     .023
O8     -.178  .232  .649     .016
Wat1    .434  .641  .653  .5 .035
Wat2    .817  .832  .720     .029
Wat3   -.072  .640  .524  .5 .058
Wat4    .137  .287  .540  .5 .036
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Kristiansenite
 
Ferraris G, Gula A, Ivaldi G, Nespolo M, Raade G
Download zk/vol216/ZK216_442.pdf
Zeitschrift fur Kristallographie 216 (2001) 442-448
Crystal structure of kristiansenite: a case of class IIB twinning by metric merohedry
Locality: amazonite pegmatite, Heftetjern, Tordal, Telemark, Norway
_database_code_amcsd 0011092
10.028 8.408 13.339 90.01 109.10 90.00 C1
atom      x     y      z occ  Uiso
Ca1   .3993 .1523  .1310     .0151
Ca2   .6006 .1491  .8614     .0159
Ca3   .1012 .9484  .3627     .0169
Ca4  -.0995 .9453  .6340     .0162
SnM1 .14016 .5338 .38844 .99 .0062
FeM1 .14016 .5338 .38844 .01 .0062
SnM2  .6410 .5633  .8882 .61 .0072
ScM2  .6410 .5633  .8882 .39 .0072
SnM3  .3550 .5631 .10884 .30 .0073
ScM3  .3550 .5631 .10884 .50 .0073
FeM3  .3550 .5631 .10884 .20 .0073
SnM4  .8543 .5363  .6089 .17 .0094
ScM4  .8543 .5363  .6089 .63 .0094
FeM4  .8543 .5363  .6089 .20 .0094
Si1   .3735 .7670  .3197     .0078
Si2   .1653 .8759  .1162     .0068
Si3   .6285 .7676  .6791     .0087
Si4   .8327 .8767  .8819     .0070
Si5   .3320 .2209  .3811     .0070
Si6   .1285 .3321  .1774     .0069
Si7   .6652 .2245  .6152     .0069
Si8   .8710 .3311  .8185     .0077
O1    .4153 .6096  .2681      .010
OH2   .5109 .8532  .4011      .005
O3    .2492 .7342  .3694      .010
O4    .3008 .8948  .2250      .011
O5    .1863  .022  .0449      .011
O6    .1724 .7036  .0651      .013
O7    .0256 .8987  .1531      .010
O8    .7483 .7378  .6277      .012
O9    .5828 .6114  .7298      .011
O10   .6946 .8965  .7739      .011
O11   .4873 .8474  .5929      .010
O12   .8136  .025 -.0464      .010
O13   .8243 .7016 -.0685      .011
O14  -.0264 .8947  .8451      .010
O15   .8112  .579  .4534      .010
O16   .4760 .2049  .3512      .010
O17   .3224 .3961  .4316      .010
O18   .1963 .1992  .2701      .010
O19   .2403 .3700  .1169      .006
O20   .0892 .4928  .2305      .009
O21  -.0158 .2581  .0925      .013
O22   .1914 .5804  .5431      .008
O23   .6703 .3974  .5623      .010
O24   .5204 .2063  .6429      .007
O25   .8017 .1983  .7242      .010
O26  -.0871 .4885  .7665      .010
O27   .7571 .3684  .8773      .010
OH28  .0140 .2568 -.0960      .015
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Talmessite
Download hom/talmessite.pdf
Catti M, Ferraris G, Ivaldi G
 
Bulletin de Mineralogie 100 (1977) 230-236
Hydrogen bonding in the crystalline state. Structure of talmessite,
Ca2(Mg,Co)(AsO4)2*2H2O, and crystal chemistry of related minerals
Locality: Bou-Azzer, Morocco
_database_code_amcsd 0012065
5.874 6.943 5.537 97.3 108.7 108.1 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)
Ca   .2949 .7622 .6529     .007042 .007783 .007472 .004324  .004104 -.001003
Mg       0     0     0 .65 .010234 .010786 .012809 .005462  .003532 -.001697
Co       0     0     0 .35 .010234 .010786 .012809 .005462  .003532 -.001697
As   .3341 .2460 .6703     .001972 .003984 .003008 .000986  .000955 -.001465
O1   .3420 .1272 .9217     .009577 .008703 .010577 .004476  .005345  .002545
O2   .2385 .0504 .3986     .008356 .009070 .007084 .005310 -.000955 -.004936
O3   .1550 .3916 .6412     .009953 .005516 .013876 .004779  .004677  .000771
O4   .6395 .3864 .7149     .008450 .008641 .014750 .001214  .007159 -.002236
Wat  .9533 .2778 .0745     .006572 .006619 .003881 .003414  .002959 -.000154
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Anapaite
Download hom/anapaite.pdf
Catti M, Ferraris G, Ivaldi G
 
Bulletin de Mineralogie 102 (1979) 314-318
Refinement of the crystal structure of anapaite, Ca2Fe(PO4)2*4H2O:
hydrogen bonding and relationships with the bihydrated phase
_database_code_amcsd 0012067
6.447 6.816 5.898 101.64 104.24 70.76 P-1
atom      x      y      z Biso B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Ca   .34280 .20937 .70749      .00497 .00331 .00552  .00000 .00110 -.00124
Fe        0      0      0      .00371 .00473 .00685  .00026 .00184 -.00089
P    .43302 .71811 .77170      .00294 .00276 .00467  .00026 .00110 -.00089
O1    .6806  .6255  .8844      .00350 .00479 .00669  .00078 .00133 -.00027
O2    .3121  .5514  .6789      .00624 .00380 .00794 -.00013 .00155 -.00276
O3    .3274  .8745  .9742      .00343 .00546 .00661 -.00183 .00169 -.00096
O4    .4082  .8467  .5739      .00582 .00374 .00708  .00157 .00147 -.00152
Ow1   .0981  .2196  .3098      .00455 .00632 .00825  .00059 .00206 -.00186
Ow2  -.0498  .2351 -.2356      .00560 .00589 .00801  .00111 .00081 -.00117
H1    -.022   .317   .330  4.1
H2     .177   .263   .239  5.7
H3    -.137   .192  -.355  3.0
H4    -.140   .352  -.187  4.7
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Ferri-magnesiokatophorite
 
Pushcharovsky D Y, Lebedeva Y S, Pekov I V, Ferraris G, Novakova A A, Ivaldi G
 
Crystallography Reports 48 (2003) 16-23
Crystal structure of magnesioferrikatophorite
Locality: Turiy Cape, Kola Peninsula, Russia
_database_code_amcsd 0012382
9.875 18.010 5.309 90 104.39 90 C2/m
atom      x      y      z  occ  Uiso
NaAm     .5      0      0  .56 .1004
KAm      .5      0      0  .13 .1004
NaA2 .44870      0 .88028 .155 .0339
MgM1      0 .08874     .5 .705 .0087
FeM1      0 .08874     .5  .21 .0087
TiM1      0 .08874     .5 .085 .0087
FeM2      0 .18063      0 .655 .0096
MgM2      0 .18063      0 .345 .0096
MgM3      0      0      0  .60 .0070
FeM3      0      0      0  .37 .0070
MnM3      0      0      0  .02 .0070
NaM4      0 .27810     .5  .59 .0150
CaM4      0 .27810     .5  .41 .0150
Si1  .28009 .08562  .2968  .79 .0075
Al1  .28009 .08562  .2968  .21 .0075
Si2  .28894 .17158  .8049      .0068
O1    .1098  .0882  .2144      .0095
O2    .1194  .1711  .7313      .0106
OH3   .1084      0  .7108 .735 .0101
F3    .1084      0  .7108 .145 .0101
O3    .1084      0  .7108  .12 .0101
O4    .3640  .2495  .7948      .0124
O5    .3494  .1323  .0927      .0153
O6    .3427  .1176  .5932      .0137
O7    .3384      0  .2867      .0149
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Magnesio-ferri-katophorite
 
Pushcharovsky D Y, Lebedeva Y S, Pekov I V, Ferraris G, Novakova A A, Ivaldi G
 
Crystallography Reports 48 (2003) 16-23
Crystal structure of magnesioferrikatophorite
Locality: Turiy Cape, Kola Peninsula, Russia
_database_code_amcsd 0012383
9.875 18.010 5.309 90 104.39 90 C2/m
atom      x      y      z  occ  Uiso
NaAm     .5      0      0  .56 .1004
KAm      .5      0      0  .13 .1004
NaA2 .44870      0 .88028 .155 .0339
MgM1      0 .08874     .5 .705 .0087
FeM1      0 .08874     .5  .21 .0087
TiM1      0 .08874     .5 .085 .0087
FeM2      0 .18063      0 .655 .0096
MgM2      0 .18063      0 .345 .0096
MgM3      0      0      0  .60 .0070
FeM3      0      0      0  .37 .0070
MnM3      0      0      0  .02 .0070
NaM4      0 .27810     .5  .59 .0150
CaM4      0 .27810     .5  .41 .0150
Si1  .28009 .08562  .2968  .79 .0075
Al1  .28009 .08562  .2968  .21 .0075
Si2  .28894 .17158  .8049      .0068
O1    .1098  .0882  .2144      .0095
O2    .1194  .1711  .7313      .0106
OH3   .1084      0  .7108 .735 .0101
F3    .1084      0  .7108 .145 .0101
O3    .1084      0  .7108  .12 .0101
O4    .3640  .2495  .7948      .0124
O5    .3494  .1323  .0927      .0153
O6    .3427  .1176  .5932      .0137
O7    .3384      0  .2867      .0149
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Omphacite
Download hom/omphacite.pdf
Pavese A, Bocchio R, Ivaldi G
Download mm/vol64/MM64_983.pdf
Mineralogical Magazine 64 (2000) 983-993
In situ high temperature single crystal X-ray diffraction study of a natural omphacite
Locality: Gorduno, Lepontine Alps, Switzerland
Note: structure at room temperature (T=298K)
_database_code_amcsd 0014547
9.569 8.759 5.256 90 106.96 90 P2/n
atom       x      y      z  occ  Uiso
CaM2     .75  .0523    .25 .291 .0094
NaM2     .75  .0523    .25 .709 .0094
CaM21    .75  .4505    .75 .709 .0105
NaM21    .75  .4505    .75 .291 .0105
MgM1     .75 .65926    .25  .46 .0069
AlM1     .75 .65926    .25  .48 .0069
FeM1     .75 .65926    .25  .06 .0069
MgM11    .75 .84740    .75  .46 .0033
AlM11    .75 .84740    .75  .48 .0033
FeM11    .75 .84740    .75  .06 .0033
SiT1  .03948 .84770 .22674 .985 .0044
AlT1  .03948 .84770 .22674 .015 .0044
SiT2  .03722 .66247 .73047 .985 .0043
AlT2  .03722 .66247 .73047 .015 .0043
O11    .8630  .8393  .1201      .0067
O12    .8610  .6780  .6482      .0067
O21    .1149  .0102  .3093      .0079
O22    .1061  .4975  .8050      .0090
O31    .1066  .7665  .0039      .0067
O32    .0980  .7403  .4977      .0071
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Omphacite
Download hom/omphacite.pdf
Pavese A, Bocchio R, Ivaldi G
Download mm/vol64/MM64_983.pdf
Mineralogical Magazine 64 (2000) 983-993
In situ high temperature single crystal X-ray diffraction study of a natural omphacite
Locality: Gorduno, Lepontine Alps, Switzerland
Note: structure at high temperature (T=1073K)
_database_code_amcsd 0014548
9.627 8.846 5.282 90 107.06 90 P2/n
atom       x      y     z  occ  Uiso
CaM2     .75  .0519   .25 .303 .0310
NaM2     .75  .0519   .25 .697 .0310
CaM21    .75  .4511   .75 .697 .0340
NaM21    .75  .4511   .75 .303 .0340
MgM1     .75  .6578   .25  .46 .0200
AlM1     .75  .6578   .25  .48 .0200
FeM1     .75  .6578   .25  .06 .0200
MgM11    .75  .8493   .75  .46 .0138
AlM11    .75  .8493   .75  .48 .0138
FeM11    .75  .8493   .75  .06 .0138
SiT1  .03918 .84722 .2258 .985 .0128
AlT1  .03918 .84722 .2258 .015 .0128
SiT2  .03689 .66333 .7295 .985 .0130
AlT2  .03689 .66333 .7295 .015 .0130
O11    .8635  .8384 .1196      .0182
O12    .8615  .6789 .6476      .0184
O21    .1145  .0082 .3058      .0231
O22    .1057  .5002 .8011      .0264
O31    .1053  .7649 .0046      .0203
O32    .0965  .7428 .4988      .0206
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Omphacite
Download hom/omphacite.pdf
Pavese A, Bocchio R, Ivaldi G
Download mm/vol64/MM64_983.pdf
Mineralogical Magazine 64 (2000) 983-993
In situ high temperature single crystal X-ray diffraction study of a natural omphacite
Locality: Gorduno, Lepontine Alps, Switzerland
Note: structure at room temperature (T=298K), after being heated to 1073K
_database_code_amcsd 0014549
9.563 8.776 5.254 90 106.90 90 P2/n
atom       x      y     z  occ  Uiso
CaM2     .75  .0522   .25 .310 .0103
NaM2     .75  .0522   .25 .690 .0103
CaM21    .75  .4501   .75 .690 .0114
NaM21    .75  .4501   .75 .310 .0114
MgM1     .75 .65870   .25  .46 .0069
AlM1     .75 .65870   .25  .48 .0069
FeM1     .75 .65870   .25  .06 .0069
MgM11    .75 .84716   .75  .46 .0039
AlM11    .75 .84716   .75  .48 .0039
FeM11    .75 .84716   .75  .06 .0039
SiT1  .03924 .84712 .2269 .985 .0048
AlT1  .03924 .84712 .2269 .015 .0048
SiT2  .03737 .66177 .7302 .985 .0047
AlT2  .03737 .66177 .7302 .015 .0047
O11    .8628  .8379 .1215      .0079
O12    .8610  .6770 .6465      .0079
O21    .1142  .0097 .3086      .0086
O22    .1064  .4970 .8049      .0095
O31    .1060  .7660 .0039      .0073
O32    .0984  .7399 .4976      .0074
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Ferrocarpholite
Download hom/ferrocarpholite.pdf
Ferraris G, Ivaldi G, Goffe B
 
Neues Jahrbuch fur Mineralogie, Monatshefte 1992 (1992) 337-347
Structural study of a magnesian ferrocarpholite: Are carpholites monoclinic?
Locality: Mascate nappes, Ruwi, Oman
_database_code_amcsd 0014864
13.797 20.20 5.116 90 90 90 *Ccca
0 -.25 -.25
atom      x      y      z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Fe        0 .87434    .75 .76  .48  .0059  .0057  .0066      0  .0010      0
Mg        0 .87434    .75 .24  .48  .0059  .0057  .0066      0  .0010      0
Al1  .19103    .75    .75      .36  .0047  .0043  .0047      0      0  .0009
Al2       0 .96122    .25      .40  .0057  .0051  .0046      0 -.0004      0
Si   .19373 .87979 .41767      .34  .0043  .0043  .0042  .0006 -.0001  .0006
O1   .20558 .79992  .4319      .51  .0075  .0063  .0055  .0010 -.0003  .0010
O2   .08135 .89915  .4039      .55  .0067  .0075  .0069  .0002 -.0010  .0011
O3   .24702 .91263  .6740      .59  .0088  .0069  .0067  .0004 -.0017  .0002
Oh1  .10016 .80880  .8824      .78  .0097  .0102  .0099  .0018  .0001 -.0002
Oh2  .06806 .96633  .9281      .54  .0055  .0080  .0068  .0008  .0015 -.0002
H1    -.092   .793   .471      2.7
H2     .118   .967   .897      1.7
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Kapitsaite-(Y)
 
Sokolova E V, Ferraris G, Ivaldi G, Pautov L A, Khvorov P V
 
Neues Jahrbuch fur Mineralogie, Monatshefte 2000 (2000) 74-84
Crystal structure of kapitsaite-(Y), a new borosilicate isotypic with
hyalotekite - Crystal chemistry of the related isomorphous series
Locality: Dara-i-Pioz glacier, Alaiskii mountain range, Tien-Shan,
Garmskii district, Northern Tajikistan
_database_code_amcsd 0014904
11.181 10.850 10.252 90.64 90.05 89.97 I-1
atom        x     y     z occ Uiso
Ba1      .179  .181  .005 .33 .019
Ba1A    .2014 .2059 .0132 .67 .015
Ba2     .8023 .2020 .0117 .84 .021
PbBa2A   .830  .170  .005  .1 .001
KBa2A    .830  .170  .005 .06 .001
YM      .9999 .0004 .2272  .5 .017
CaM     .9999 .0004 .2272 .33 .017
GdM     .9999 .0004 .2272 .04 .017
DyM     .9999 .0004 .2272 .04 .017
SmM     .9999 .0004 .2272 .03 .017
NdM     .9999 .0004 .2272 .03 .017
ErM     .9999 .0004 .2272 .03 .017
SiT      .320  .500 -.002 .15 .019
BT       .320  .500 -.002 .85 .019
B        .500  .345  .033     .006
Si1     .1969 .5250 .2411     .012
Si2     .8033 .5259 .2402     .011
Si3     .0008 .3199 .2637     .015
Si4    -.0002 .7217 .2791     .013
O1       .879  .638  .302     .026
O2       .882  .400  .233     .023
O3       .119  .399  .228     .022
O4       .120  .638  .303     .025
O5       .239  .569  .094     .015
O6       .760  .567  .093     .014
O7       .608  .408  .077     .018
O8       .392  .408  .075     .010
O9       .502  .216  .083     .016
O10      .501  .666  .113     .010
O11     -.001  .786  .143     .020
O12      .999  .202  .171     .006
O13      .305  .506  .339     .019
O14      .698  .510  .340     .019
F           0     0     0     .015
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Natrite
Download hom/natrite.pdf
Zubkova N V, Pushcharovsky D Y, Ivaldi G, Ferraris G, Pekov I V, Chukanov N V
 
Neues Jahrbuch fur Mineralogie, Monatshefte 2002 (2002) 85-96
Crystal structure of natrite, gamma-Na2CO3
Locality: Mt Koashva, Khibiny alkaline massif, Kola Peninsula, Russia
_database_code_amcsd 0014917
8.905 5.237 6.045 90 101.32 90 C2/m
atom      x     y     z Biso
Na1       0     0     0 2.27
Na2       0     0    .5 2.46
Na3  .17047    .5 .7478 3.22
C     .1645    .5 .2497 1.85
O1    .1023 .2944 .2859 4.58
O2    .2894    .5 .1781 1.81
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Total number of retrieved datasets: 44
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