AM_Meionite_11 Formula: (Na1.12 K.2 Ca2.68) (Si7.12 Al4.88) O25.32 Cl.07 F.03 C.44 Name: Meionite Unit cell: 12.1476 12.1476 7.5636 90.0 90.0 90.0 , V=1116.12 Space group: I14/M1 (1)

Sherriff B L , Sokolova E V , Kabalov Y K , Jenkins D M , Kunath-Fandrei G , Goetz S , Jager C , Schneider J , The Canadian Mineralogist , 38 (2000) p.1201-1213, Meionite: Rietveld structure-refinement, Si MAS and Al SATRAS NMR, spectroscopy, and comments on the marialite-meionite series, Note: sample BOLT, Locality: Bolton, Massachusetts, USA