AM_Meionite_16 Formula: Ca2.088 Na1.656 K.232 Cl.365 C.435 S.185 Si7.5 Al4.344 O25.312 Name: Meionite Unit cell: 12.1164 12.1164 7.581 90.0 90.0 90.0 , V=1112.94 Space group: P142/N1 (1)

Lin S B , Burley B J , Tschermaks Mineralogische und Petrographische Mitteilungen , 21 (1974) p.196-215, The crystal structure of an intermediate scapolite - wernerite, Locality: Tsarasaotra, Madagascar