AM_Tennantite Formula: Cu12.54 (As3.92 Sb.08) S13 Name: Tennantite Unit cell: 10.1756 10.1756 10.1756 90.0 90.0 90.0 , V=1053.61 Space group: I-43M (217)

Makovicky E , Karanovic L , Poleti D , Balic-Zunic T , Paar W H , The Canadian Mineralogist , 43 (2005) p.679-688, Crystal structure of copper-rich unsubstituted tennantite, Cu12.5As4S13, Sample: Cerro Atajo, Catamarco, Argentina