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 650 C Annealing time = 1533 min _database_code_amcsd 0019293 8.1482 8.1482 8.1482 90 90 90 *Fd3m .125 .125 .125 atom x y z occ AlM .5 .5 .5 .735 MgM .5 .5 .5 .157 Fe3+M .5 .5 .5 .107 MgT .125 .125 .125 .686 AlT .125 .125 .125 .139 Fe3+T .125 .125 .125 .175 O .26144 .26144 .26144