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, Heating, 1st run, T = 400 C _database_code_amcsd 0008665 8.1195 8.1195 8.1195 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso AlT .125 .125 .125 .125 .0096 MgT .125 .125 .125 .871 .0096 ZnT .125 .125 .125 .004 .0096 AlM .5 .5 .5 .906 .0077 MgM .5 .5 .5 .0625 .0077 CrM .5 .5 .5 .0305 .0077 FeM .5 .5 .5 .001 .0077 O .26348 .26348 .26348 .0087