Bornite Ding Y, Veblen D R, Prewitt C T American Mineralogist 90 (2005) 1265-1269 Possible Fe/Cu ordering schemes in the 2a superstructure of bornite (Cu5FeS4) Sample: 2a Cu(anti) superstructure model, alternative 2 _database_code_amcsd 0003823 10.70 10.70 10.70 90 90 90 F-43m atom x y z Cu .125 .125 .125 Cu .375 .125 .125 Fe .875 .125 .125 S 0 0 0 S .5 0 0 S .25 .25 0