Greenockite
Wyckoff R W G
Crystal Structures 1 (1963) 85-237
Second edition. Interscience Publishers, New York, New York
Note: wurtzite structure
_database_code_amcsd 0011540
4.1348 4.1348 6.7490 90 90 120 P6_3mc
atom   x   y    z
Cd   1/3 2/3    0
S    1/3 2/3 .385