Ilmenite Wechsler B A, Prewitt C T American Mineralogist 69 (1984) 176-185 Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure P = 1 atm _database_code_amcsd 0000931 5.0875 5.0875 14.0827 90 90 120 R-3 atom x y z Biso Fe 0 0 .35540 0.625 Ti 0 0 .14638 0.505 O .31719 .02340 .24502 0.620