Ulvospinel Bosi F, Halenius U, Skogby H American Mineralogist 94 (2009) 181-189 Crystal chemistry of the magnetite-ulvospinel series Locality: synthetic Note: FeTib4 _database_code_amcsd 0004831 8.5274 8.5274 8.5274 90 90 90 *Fd3m .125 .125 .125 atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) FeT .125 .125 .125 .0117 .0117 .0117 0 0 0 FeM .5 .5 .5 .546 .0092 .0092 .0092 -.00068 -.00068 -.00068 TiM .5 .5 .5 .454 .0092 .0092 .0092 -.00068 -.00068 -.00068 O .26065 .26065 .26065 .0156 .0156 .0156 -.0034 -.0034 -.0034