AM_Tetrahedrite_6 Formula: Cu10.02 S12.88 Sb4 Name: Tetrahedrite Unit cell: 10.448 10.448 10.448 90.0 90.0 90.0 , V=1140.51 Space group: I-43M (217)

Makovicky E , Skinner B J , The Canadian Mineralogist , 17 (1979) p.619-634, Studies of the sulfosalts of copper, VII. Crystal structures of the exolution products Cu12.3Sb4S13, and Cu13.8Sb4S13 of unsubstituted synthetic tetrahedrite, Sample: Cu-rich tetrahedrite Cu13.8Sb4S13