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 = 837 K on heating cycle, MgAl2O4 _database_code_amcsd 0002110 8.12066 8.12066 8.12066 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Mg .125 .125 .125 .816 .808 Al .125 .125 .125 .184 .808 Al .5 .5 .5 .908 .730 Mg .5 .5 .5 .092 .730 O .261594 .261594 .261594 .933