Spinel Martignago F, Andreozzi G B, Dal Negro A American Mineralogist 91 (2006) 306-312 Thermodynamics and kinetics of cation ordering in natural and synthetic Mg(Al,Fe3+)2O4 spinels from in situ high-temperature X-ray diffraction Locality: Shishimsk Mountains, Urals, Russia Sample: 3dis, T = 650 C _database_code_amcsd 0004052 8.1386 8.1386 8.1386 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso MgT .125 .125 .125 .746 .0123 AlT .125 .125 .125 .214 .0123 FeT .125 .125 .125 .033 .0123 AlM .5 .5 .5 .8545 .0117 MgM .5 .5 .5 .1225 .0117 FeM .5 .5 .5 .0225 .0117 O .26206 .26206 .26206 .0149