AM_Sodalite_21 Formula: Na2.64 K.7 Ca.616 Si3 Al3 O13.986 S.384 Cl.47 C.15 Name: Sodalite Unit cell: 9.0352 9.0352 9.0352 90.0 90.0 90.0 , V=737.59 Space group: P-43N (218)

Ballirano P , Maras A , European Journal of Mineralogy , 17 (2005) p.805-812, Crystal chemical and structural characterization of an, unusual CO3-bearing sodalite-group mineral, Locality: Mt. Vesuvio, Italy