American Mineralogist Crystal Structure Database

1 matching records for this search.

Ekatite
 
Keller P
 
European Journal of Mineralogy 13 (2001) 769-777
Ekatite, (Fe3+,Fe2+,Zn)12(OH)6[AsO3]6[AsO3,HOSiO3]2, a new mineral
from Tsumeb, Namibia, and its crystal structure
Locality: Tsumeb, Namibia
_database_code_amcsd 0006895
12.773 12.773 5.051 90 90 120 P6_3mc
atom      x      y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
FeM1 .91549 .57285  .5935 .508 .0107  .0127  .0098  .0101  .0059 -.0002  .0008
FeM2 .91549 .57285  .5935 .337 .0107  .0127  .0098  .0101  .0059 -.0002  .0008
ZnM2 .91549 .57285  .5935 .150 .0107  .0127  .0098  .0101  .0059 -.0002  .0008
As1  .71631 .85816  .6246  .50 .0077  .0075  .0070  .0085  .0038 -.0005 -.0002
As2     2/3    1/3   .895 .768 .0071  .0074  .0074  .0064  .0037      0      0
Si2     2/3    1/3   .837 .246 .0077  .0076  .0076  .0202  .0038      0      0
O1    .6048  .8024   .886      .0185  .0164  .0252  .0109  .0082  .0054  .0027
O2    .6559  .9339   .437      .0125  .0187  .0076  .0127  .0076 -.0061 -.0011
O3    .5968  .1936   .723      .0216  .0215  .0043  .0334  .0021 -.0035 -.0070
OH4   .0490  .5245   .778      .0129  .0104  .0117  .0163  .0052  .0040  .0020
OH5     2/3    1/3   .166 .246 .0094
H1      .01   .502    .60
H2      2/3    1/3 .38810 .246
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