Spinel Finger L W, Hazen R M, Hofmeister A M Physics and Chemistry of Minerals 13 (1986) 215-220 High-pressure crystal chemistry of spinel (MgAl2O4) and magnetite (Fe3O4): comparisons with silicate spinels Sample: P = 0.001 kbar _database_code_amcsd 0007389 8.0898 8.0898 8.0898 90 90 90 *Fd3m .125 .125 .125 atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) MgA .125 .125 .125 .90 .0033 .0033 .0033 0 0 0 AlB .5 .5 .5 .87 .0035 .0035 .0035 -.0001 -.0001 -.0001 O .2633 .2633 .2633 1.07 .0041 .0041 .0041 -.0001 -.0001 -.0001