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 = 1035 K on heating cycle, MgAl2O4 _database_code_amcsd 0002113 8.13564 8.13564 8.13564 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Mg .125 .125 .125 .840 1.081 Al .125 .125 .125 .160 1.081 Al .5 .5 .5 .920 .895 Mg .5 .5 .5 .080 .895 O .261689 .261689 .261689 1.114