AM_Stannite Formula: (Fe.8 Zn.18 Cd.02) Sn Cu2 S4 Name: Stannite Unit cell: 5.449 5.449 10.757 90.0 90.0 90.0 , V=319.39 Space group: I-42M (121)

Hall S R , Szymanski J T , Stewart J M , The Canadian Mineralogist , 16 (1978) p.131-137, Kesterite, Cu2(Zn,Fe)SnS4, and stannite, Cu2(Fe,Zn)SnS4,, structurally similar but distinct minerals