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 = 1355 K on heating cycle, MgAl2O4 _database_code_amcsd 0002118 8.15805 8.15805 8.15805 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Mg .125 .125 .125 .764 1.470 Al .125 .125 .125 .236 1.470 Al .5 .5 .5 .882 1.194 Mg .5 .5 .5 .118 1.194 O .260943 .260943 .260943 1.538