Proustite
Harker D
Journal of Chemical Physics 4 (1936) 381-390
The application of the three-dimensional patterson method and the
crystal structures of proustite, Ag3 As S3, and pyrargyrite, Ag3 SbS3
_cod_database_code 1011161
_database_code_amcsd 0018040
10.74 10.74 8.64 90 90 120 R3c
atom    x    y    z
As1     0    0    0
Ag1  .246 .298 .235
S1    .22 .095 .385