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 = 34.6 kbar _database_code_amcsd 0000933 5.0635 5.0635 13.9518 90 90 120 R-3 atom x y z Biso Fe 0 0 .35530 0.63 Ti 0 0 .14650 0.50 O .31657 .02284 .24520 0.63