AM_Bornite_5 Formula: Cu2 Fe S2 Name: Bornite Unit cell: 10.71 10.71 10.71 90.0 90.0 90.0 , V=1228.48 Space group: F-43M (216)

Ding Y , Veblen D R , Prewitt C T , American Mineralogist , 90 (2005) p.1265-1269, Possible Fe/Cu ordering schemes in the 2a superstructure of bornite (Cu5FeS4), Sample: 2a CuFe(anti) superstructure model, alternative 2, Note: Energetically preferred model