Ca8[Al12O24](CrO4)2 Antao S M, Hassan I, Parise J B The Canadian Mineralogist 42 (2004) 1047-1056 Chromate aluminate sodalite, Ca8[Al12O24](CrO4)2: Phase transitions and high-temperature structural evolution of the cubic phase Sample: T = 982 C _database_code_amcsd 0005973 9.25191 9.25191 9.25191 90 90 90 I-43m atom x y z occ Uiso Ca .2181 .2181 .2181 .0643 Al .25 .5 0 .0130 Cr 0 0 0 .0619 O .1590 .1590 .4579 .0542 OCr .1247 .1247 -.0296 1/3 .0619