Hercynite Lavina B, Cesare B, Alvarez-Valero A M, Uchida H, Downs R T, Koneva A, Dera P American Mineralogist 94 (2009) 657-665 Closure temperatures of intracrystalline ordering in anatectic and metamorphic hercynite, Fe2+Al2O4 Note: Sample 441B Locality: the Anga metamorphic complex, Lake Baikal, Russia _database_code_amcsd 0004923 8.1451 8.1451 8.1451 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso Fe2+T .125 .125 .125 .76 .00582 Fe3+T .125 .125 .125 .02 .00582 AlT .125 .125 .125 .11 .00582 MgT .125 .125 .125 .11 .00582 AlM .5 .5 .5 .917 .00411 Fe2+M .5 .5 .5 .013 .00411 MgM .5 .5 .5 .048 .00411 Fe3+M .5 .5 .5 .016 .00411 TiM .5 .5 .5 .004 .00411 VM .5 .5 .5 .002 .00411 O .26464 .26464 .26464 .00724