Spinel Princivalle F, Martignago F, Nestola F, Dal Negro A European Journal of Mineralogy 24 (2012) 633-643 Kinetics of cation ordering in synthetic Mg(Al,Fe3+)2O4 spinels Note Sample F39, disordered at 1000 C for 24 h, then ordered at 550 C Annealing time = 97,260 min _database_code_amcsd 0019282 8.1480 8.1480 8.1480 90 90 90 *Fd3m .125 .125 .125 atom x y z occ AlM .5 .5 .5 .741 MgM .5 .5 .5 .156 Fe3+M .5 .5 .5 .102 MgT .125 .125 .125 .688 AlT .125 .125 .125 .128 Fe3+T .125 .125 .125 .184 O .26170 .26170 .26170