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 = 600 C _database_code_amcsd 0004051 8.1340 8.1340 8.1340 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso MgT .125 .125 .125 .745 .0121 AlT .125 .125 .125 .215 .0121 FeT .125 .125 .125 .033 .0121 AlM .5 .5 .5 .8565 .0112 MgM .5 .5 .5 .123 .0112 FeM .5 .5 .5 .0205 .0112 O .26206 .26206 .26206 .0146