Digenite Will G, Hinze E, Abdelrahman A R M European Journal of Mineralogy 14 (2002) 591-598 Crystal structure analysis and refinement of digenite, Cu1.8S, in the temperature range 20 to 500 C under controlled sulfur partial pressure Sample: T = 500 C, sometimes called high-digenite Locality: synthetic _database_code_amcsd 0006940 5.639 5.639 5.639 90 90 90 Fm3m atom x y z occ Biso S 0 0 0 4.5 Cu1 1/4 1/4 1/4 .2575 7.0 Cu2 1/2 1/2 1/2 .095 7.0 Cu3 .1067 .166 .2826 .0289 7.0