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 = 933 C _database_code_amcsd 0005972 9.24675 9.24675 9.24675 90 90 90 I-43m atom x y z occ Uiso Ca .2179 .2179 .2179 .0650 Al .25 .5 0 .0130 Cr 0 0 0 .0610 O .1591 .1591 .4576 .0550 OCr .1253 .1253 -.0297 1/3 .0610