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 = 405 K on cooling cycle, MgAl2O4 _database_code_amcsd 0002143 8.09159 8.09159 8.09159 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Mg .125 .125 .125 .857 .365 Al .125 .125 .125 .143 .365 Al .5 .5 .5 .9285 .439 Mg .5 .5 .5 .0715 .439 O .262132 .262132 .262132 .514