Spinel Carbonin S, Martignago F, Menegazzo G, Dal Negro A Physics and Chemistry of Minerals 29 (2002) 503-514 X-ray single-crystal study of spinels: in situ heating Sample: NAT, Cooling, T = 25 C _database_code_amcsd 0008682 8.0926 8.0926 8.0926 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso AlT .125 .125 .125 .213 .0049 MgT .125 .125 .125 .783 .0049 ZnT .125 .125 .125 .004 .0049 AlM .5 .5 .5 .862 .0049 MgM .5 .5 .5 .1065 .0049 CrM .5 .5 .5 .0305 .0045 FeM .5 .5 .5 .001 .0045 O .26233 .26233 .26233 .0076