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 = 512 C _database_code_amcsd 0005963 9.22293 9.22293 9.22293 90 90 90 I-43m atom x y z occ Uiso Ca .2166 .2166 .2166 .0682 Al .25 .5 0 .0113 Cr 0 0 0 .0516 O .1591 .1591 .4561 .0565 OCr .1269 .1269 -.0340 1/3 .0516