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: Z(O)=0, quenched from T = 950 C for 1 day _database_code_amcsd 0002488 8.0837 8.0837 8.0837 90 90 90 *Fd3m .125 .125 .125 atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Al .5 .5 .5 .958 .0041 .0041 .0041 -.0002 -.0002 -.0002 Mg .125 .125 .125 1.003 .0043 .0043 .0043 0 0 0 O .26177 .26177 .26177 .0085 .0085 .0085 .0003 .0003 .0003