AM_Pyrite_3 Formula: (Fe.75 Cu.25) S2 Name: Pyrite Unit cell: 5.7249 5.7249 5.7249 90.0 90.0 90.0 , V=187.63 Space group: PA3 (205)

Schmid-Beurmann P , Lottermoser W , Physics and Chemistry of Minerals , 19 (1993) p.571-577, 57Fe-Moessbauer spectra, electronic and crystal structure of members of the CuS2-FeS2, solid solution series