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American Mineralogist Crystal Structure Database

1 matching records for this search.

Oxy-chromium-dravite
  
Bosi F, Reznitskii L, Skogby H
  
American Mineralogist 97 (2012) 2024-2030
Oxy-chromium-dravite, NaCr3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O,
a new mineral species of the tourmaline supergroup
Locality: Pereval marble quarry, Sludyanka, Lake Baikal, Russia
_database_code_amcsd 0019734
16.1121 16.1121 7.3701 90 90 120 R3m
atom       x       y      z  occ   Uiso U(1,1) U(2,2) U(3,3) U(1,2)  U(1,3)  U(2,3)
NaX        0       0  .2270       .0240  .0255  .0255  .0212  .0127       0       0
CrY  .123083 .061541 .63874 .650 .00487 .00427 .00430 .00604 .00213 -.00037 -.00019
VY   .123083 .061541 .63874 .290 .00487 .00427 .00430 .00604 .00213 -.00037 -.00019
MgY  .123083 .061541 .63874 .047 .00487 .00427 .00430 .00604 .00213 -.00037 -.00019
TiY  .123083 .061541 .63874 .013 .00487 .00427 .00430 .00604 .00213 -.00037 -.00019
CrZ  .297600 .261475 .60855 .562 .00455 .00414 .00464 .00480 .00215 -.00014  .00033
MgZ  .297600 .261475 .60855 .322 .00455 .00414 .00464 .00480 .00215 -.00014  .00033
AlZ  .297600 .261475 .60855 .116 .00455 .00414 .00464 .00480 .00215 -.00014  .00033
B     .10930  .21861  .4548       .0063  .0054  .0056  .0080  .0028   .0004   .0008
Si   .189436 .187762      0 .983 .00489 .00451 .00431 .00567 .00208 -.00024 -.00035
Al   .189436 .187762      0 .017 .00489 .00451 .00431 .00567 .00208 -.00024 -.00035
O1         0       0  .7649  .54  .0059  .0048  .0048  .0080  .0024       0       0
F1         0       0  .7649  .46  .0059  .0048  .0048  .0080  .0024       0       0
O2    .06015  .12030 .49116      .00532  .0044  .0041  .0074  .0021  .00066   .0013
O3    .25501  .12751 .50900      .00814  .0096  .0089  .0062  .0048   .0013  .00064
H3     .2507   .1253   .376  .89   .012
O4    .09250  .18500 .07148       .0091  .0068  .0150  .0083  .0075  -.0002  -.0004
O5    .18209  .09105 .09007      .00848  .0138  .0060  .0081  .0069   .0007  .00035
O6    .19072  .18146 .78133      .00620  .0075  .0060  .0046  .0030  -.0001  -.0005
O7    .28246  .28199 .07220      .00794  .0067  .0059  .0084  .0011  -.0016  -.0015
O8    .20649  .26678 .43700      .00893  .0051  .0085  .0132  .0034   .0007   .0035


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	Total number of retrieved datasets: 1

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