AM_Vlasovite_1 Formula: Na2 Zr Si4 O11 Name: Vlasovite Unit cell: 10.98 10.0 8.52 90.0 100.4 90.0 , V=920.13 Space group: C12/C1 (15)

Voronkov A A , Zhdanova T A , Pyatenko Y A , Kristallografiya , 19 (1974) p.252-259, Refinement of the structure of vlasovite Na2ZrSi4O11 and some characteristics of, the composition and structure of the zirconosilicates