AM_Surkhobite_1 Formula: Na2.2 Ca2.4 K.7 Ba3.3 Mn7.4 Fe8 Ti6.4 Zr.8 Nb.8 Si16 O68 F8 H4 Name: Surkhobite Unit cell: 10.723 13.826 20.791 90.0 95.0 90.0 , V=3070.67 Space group: C121 (5)

Rozenberg K A , Rastsvetaeva R K , Verin I A , Crystallography Reports , 48 (2003) p.384-389, Crystal structure of surkhobite - new mineral from, the family of titanosilicate micas, Locality: Darai-Piez alkali massif, central Tajikistan