AM_Delindeite_1 Formula: Ba3.84 K.52 Na2.66 Mn.04 Fe.34 Ti5.4 Nb.26 Al.1 Si8 O38.04 F1.32 H13.58 Name: Delindeite Unit cell: 10.6968 13.7535 21.5758 90.0 93.975 90.0 , V=3166.56 Space group: C12/C1 (15)

Sokolova E , Camara F , The Canadian Mineralogist , 45 (2007) p.1247-1261, From structure topology to chemical composition. II. Titanium silicates:, revision of the crystal structure and chemical formula of delindeite, Locality: Mt. Yuksporr, Khibina alkaline massif, Kola Peninsula, Russia