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 F54, disordered at 1000 C for 24 h, then ordered at 550 C Annealing time = 960 min _database_code_amcsd 0019313 8.1690 8.1690 8.1690 90 90 90 *Fd3m .125 .125 .125 atom x y z occ AlM .5 .5 .5 .663 MgM .5 .5 .5 .196 Fe3+M .5 .5 .5 .141 MgT .125 .125 .125 .609 AlT .125 .125 .125 .135 Fe3+T .125 .125 .125 .256 O .26068 .26068 .26068