Stilleite 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 0011535 5.6676 5.6676 5.6676 90 90 90 F-43m atom x y z Zn 0 0 0 Se .25 .25 .25