Antimonpearceite
Evain M, Bindi L, Menchetti S
Acta Crystallographica B62 (2006) 768-774
Structure and phase transition of the Se-rich variety of antimonpearceite,
[(Ag,Cu)6(Sb,As)2(S,Se)7]-[Ag9Cu(S,Se)2Se2]
Note: T = 300 K
Locality: De Lamar mine, Idaho, USA
_database_code_amcsd 0020663
7.5950 7.5950 12.0731 90 90 120 P-3m1
atom      x      y      z  occ   Uiso U(1,1) U(2,2) U(3,3)  U(1,2) U(1,3)  U(2,3)
Ag1a  .2851  .1426  .3899  .68  .0526  .0588  .0501  .0518   .0294  .0033   .0017
Ag1b  .3505  .1753  .3629  .25   .073   .105  .0514   .080   .0527   .050    .025
Cu1b' .3505  .1753  .3629  .07   .073   .105  .0514   .080   .0527   .050    .025
Ag2   .2458  .3649  .1190 .296   .163   .267  .0379  .0549   -.019  -.050   .0044
Ag3   .3528  .3128  .1187 .454   .157   .079   .289   .069    .066  .0046   -.021
Cu        0      0      0       .0313  .0387  .0387  .0166   .0193      0       0
Sb      1/3    2/3 .40561  .83 .02348  .0243  .0243  .0219  .01213      0       0
As'     1/3    2/3 .40561  .17 .02348  .0243  .0243  .0219  .01213      0       0
S1        0      0 .18217 .830  .0312  .0366  .0366  .0205   .0183      0       0
Se1'      0      0 .18217 .170  .0312  .0366  .0366  .0205   .0183      0       0
S2    .0146 .50730 .30757       .0381  .0214  .0387  .0485   .0107 -.0036  -.0018
S3        0      0     .5  .68   .117   .152   .152   .047    .076      0       0
Se3'      0      0     .5  .32   .117   .152   .152   .047    .076      0       0
Se      2/3    1/3  .0178       .0466  .0455  .0455  .0487   .0227      0       0