AM_Phengite_3 Formula: K.964 Al1.368 Mg.73 Fe.038 Si3.808 O11.2 F.8 H1.2 Name: Phengite Unit cell: 5.2046 9.0368 19.886 90.0 95.615 90.0 , V=930.81 Space group: C12/C1 (15)

Smyth J R , Jacobsen S D , Swope R J , Angel R J , Arlt T , Domanik K , Holloway J R , European Journal of Mineralogy , 12 (2000) p.955-963