Spinel Redfern S A T, Harrison R J, O'Neill H St C, Wood D R R American Mineralogist 84 (1999) 299-310 Thermodynamics and kinetics of cation ordering in MgAl2O4 spinel up to 1600 C from in situ neutron diffraction Data collected at IPNS, Argonne National Laboratory, T = 707 K on heating cycle, Mg.99Al2O4 _database_code_amcsd 0002165 8.11850 8.11850 8.11850 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Mg .125 .125 .125 .815 .622 Al .125 .125 .125 .185 .622 Al .5 .5 .5 .9075 .647 Mg .5 .5 .5 .0925 .647 O .261610 .261610 .261610 .799