AM_Greigite Formula: Fe3 S4 Name: Greigite Unit cell: 9.876 9.876 9.876 90.0 90.0 90.0 , V=963.26 Space group: FD3M (227)

Skinner B J , Erd R C , Grimaldi F S , American Mineralogist , 49 (1964) p.543-555