AM_Ca8[Al12O24](CrO4)2 Formula: Ca4 Al6 Cr O16 Name: Ca8[Al12O24](CrO4)2 Unit cell: 9.22351 9.22351 9.22351 90.0 90.0 90.0 , V=784.67 Space group: I-43M (217)

Antao S M , Hassan I , Parise J B , The Canadian Mineralogist , 42 (2004) p.1047-1056, Chromate aluminate sodalite, Ca8[Al12O24](CrO4)2: Phase transitions, and high-temperature structural evolution of the cubic phase, Sample: T = 463 C