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 = 2460 min _database_code_amcsd 0019275 8.1457 8.1457 8.1457 90 90 90 *Fd3m .125 .125 .125 atom x y z occ AlM .5 .5 .5 .719 MgM .5 .5 .5 .181 Fe3+M .5 .5 .5 .100 MgT .125 .125 .125 .638 AlT .125 .125 .125 .172 Fe3+T .125 .125 .125 .190 O .26093 .26093 .26093