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 = 600 C _database_code_amcsd 0008678 8.1350 8.1350 8.1350 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso AlT .125 .125 .125 .218 .0125 MgT .125 .125 .125 .778 .0125 ZnT .125 .125 .125 .004 .0125 AlM .5 .5 .5 .8595 .0111 MgM .5 .5 .5 .109 .0111 CrM .5 .5 .5 .0305 .0111 FeM .5 .5 .5 .001 .0111 O .26226 .26226 .26226 .0147