AM_Velikite Formula: Cu1.6 Zn.28 Hg.875 Sn S4 Name: Velikite Unit cell: 5.542 5.542 10.908 90.0 90.0 90.0 , V=335.03 Space group: I-42M (121)

Kaplunnik L N , Pobedimskaya E A , Belov N V , Soviet Physics Crystallography , 22 (1977) p.99-100, Crystal structure of velikite Cu3.75Hg1.75Sn2S8, Locality: Khaidarkan, Kyrgyzstan