AM_Famatinite Formula: Cu3 Sb S4 Name: Famatinite Unit cell: 5.385 5.385 10.754 90.0 90.0 90.0 , V=311.85 Space group: I-42M (121)

Garin J , Parthe E , Acta Crystallographica, Section B , 28 (1972) p.3672-3674, The crystal structure of Cu3PSe4 and other ternary normal tetrahedral