AM_CaAl4Si2O11 Formula: Ca Al4 Si2 O11 Name: CaAl4Si2O11 Unit cell: 5.4223 5.4223 12.7041 90.0 90.0 120.0 , V=323.48 Space group: P63/MMC (194)

Gautron L , Angel R J , Miletich R , Physics and Chemistry of Minerals , 27 (1999) p.47-51, Structural characterisation of the high-pressure phase CaAl4Si2O11, Note: Biso values altered to agree with the anisotropic values, as indicated, by Ross Angel, March 2004