Spinel Andreozzi G B, Princivalle F, Skogby H, Della Giusta A American Mineralogist 85 (2000) 1164-1171 Cation ordering and structural variations with temperature in MgAl2O4 spinel: An X-ray single crystal study Sample: quenched from T = 950 C for 3 days _database_code_amcsd 0002484 8.0837 8.0837 8.0837 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso Al .5 .5 .5 .984 .0042 Mg .125 .125 .125 1.034 .0045 O .26183 .26183 .26183 .0075