AM_Pyrite Formula: Fe S2 Name: Pyrite Unit cell: 5.38 5.38 5.38 90.0 90.0 90.0 , V=155.72 Space group: PA3 (205)

Ramsdell L S , American Mineralogist , 10 (1925) p.281-304, The crystal structures of some metallic sulfides, Locality: natural, unknown