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 = 46,161 min _database_code_amcsd 0019296 8.1481 8.1481 8.1481 90 90 90 *Fd3m .125 .125 .125 atom x y z occ AlM .5 .5 .5 .740 MgM .5 .5 .5 .158 Fe3+M .5 .5 .5 .102 MgT .125 .125 .125 .685 AlT .125 .125 .125 .130 Fe3+T .125 .125 .125 .185 O .26150 .26150 .26150