Citation: Fleet, S. G.; Cann, J. R. (1967). Vlasovite: a second occurrence and a triclinic to monoclinic inversion. Mineralogical Magazine, 36, pp. 233-241.
Formula: Na2 O11 Si4 Zr
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O44 Si16 Zr4 (O11 Si4 Zr)
Multiplicity: 1
Coordination sequences: