Billingsleyite
Bindi L, Downs R T, Menchetti S
The Canadian Mineralogist 48 (2010) 155-162
The crystal structure of billingsleyite, Ag7(As,Sb)S6, a sulfosalt containing As5+
Locality: North Lily mine, East Tintic district, Utah, USA
_database_code_amcsd 0006324
10.4760 10.4760 10.4760 90 90 90 P2_13
atom      x      y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
As   .99834 .99834 .99834 .886 .0202  .0202  .0202  .0202 -.0004 -.0004 -.0004
Sb   .99834 .99834 .99834 .114 .0202  .0202  .0202  .0202 -.0004 -.0004 -.0004
Ag1  .39542 .39542 .39542 .979 .0198  .0198  .0198  .0198 -.0004 -.0004 -.0004
Cu1  .39542 .39542 .39542 .021 .0198  .0198  .0198  .0198 -.0004 -.0004 -.0004
Ag2  .23157 .02321 .25897      .0212  .0208  .0215  .0214 -.0001 -.0001  .0003
Ag3  .34660 .82461 .98492      .0217  .0213  .0220  .0220 -.0001 -.0002 -.0001
S1    .5304  .5304  .5304      .0213  .0213  .0213  .0213  .0009  .0009  .0009
S2    .8763  .8763  .8763      .0213  .0213  .0213  .0213 -.0002 -.0002 -.0002
S3    .2638  .2638  .2638      .0219  .0219  .0219  .0219  .0002  .0002  .0002
S4    .1226  .8731  .1085      .0241   .025   .025   .023  .0005  .0012   .001