AM_Intersilite Formula: (Mn.94 Fe.04 Ca.02) (Ti.75 Nb.25) Si10 Na5.8 K.45 (O32 H13) Name: Intersilite Unit cell: 13.033 18.717 12.264 90.0 99.62 90.0 , V=2949.59 Space group: I12/M1 (12)

Yamnova N A , Egorov-Tismenko Y K , Khomyakov A P , Crystallography Reports , 41 (1996) p.239-244, Crystal structure of a new natural (Na,Mn,Ti)-phyllosilicate, Locality: Aluaiv, Lovozero alkaline massif, Kola peninsula, Russia