AM_Bornite_6 Formula: Cu1.25 Fe.25 S Name: Bornite Unit cell: 10.9806 10.9806 10.9806 90.0 90.0 90.0 , V=1323.97 Space group: FM3M (225)

Kanazawa Y , Koto K , Morimoto N , The Canadian Mineralogist , 16 (1978) p.397-404, Bornite (Cu5FeS4): Stability and crystal structure of the intermediate form, Sample: T = 185 degree C