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 = 1291 K on heating cycle, MgAl2O4 _database_code_amcsd 0002117 8.15365 8.15365 8.15365 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Mg .125 .125 .125 .766 1.406 Al .125 .125 .125 .234 1.406 Al .5 .5 .5 .883 1.170 Mg .5 .5 .5 .117 1.170 O .260954 .260954 .260954 1.472