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 = 1418 K on heating cycle, MgAl2O4 _database_code_amcsd 0002119 8.16360 8.16360 8.16360 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Mg .125 .125 .125 .751 1.570 Al .125 .125 .125 .249 1.570 Al .5 .5 .5 .8755 1.304 Mg .5 .5 .5 .1245 1.304 O .260701 .260701 .260701 1.706