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: synthetic Sample: MgFe14, T = 1000 C _database_code_amcsd 0004042 8.1802 8.1802 8.1802 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso MgT .125 .125 .125 .693 .0167 AlT .125 .125 .125 .248 .0167 FeT .125 .125 .125 .059 .0167 AlM .5 .5 .5 .798 .0163 MgM .5 .5 .5 .1615 .0163 FeM .5 .5 .5 .0405 .0163 O .26118 .26118 .26118 .0213