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 750 C Annealing time = 1 min _database_code_amcsd 0019298 8.1469 8.1469 8.1469 90 90 90 *Fd3m .125 .125 .125 atom x y z occ AlM .5 .5 .5 .717 MgM .5 .5 .5 .180 Fe3+M .5 .5 .5 .103 MgT .125 .125 .125 .642 AlT .125 .125 .125 .175 Fe3+T .125 .125 .125 .183 O .26092 .26092 .26092