Marshite
Wyckoff R W G
Crystal Structures 1 (1963) 85-237
Second edition. Interscience Publishers, New York, New York
Note: ZnS structure, sphalerite structure
_database_code_amcsd 0011522
6.0427 6.0427 6.0427 90 90 90 F-43m
atom   x   y   z
Cu     0   0   0
I    .25 .25 .25