Famatinite Garin J, Parthe E Acta Crystallographica B28 (1972) 3672-3674 The crystal structure of Cu3PSe4 and other ternary normal tetrahedral structure compounds with composition 1_356_4 Locality: synthetic _database_code_amcsd 0009468 5.385 5.385 10.754 90 90 90 I-42m atom x y z Biso Cu1 0 0 .5 3.62 Cu2 0 .5 .25 3.59 Sb 0 0 0 .59 S .255 .255 .1320 2.54