Citation: Evans, H. T. (1973). The crystal structures of cavansite and pentagonite. American Mineralogist, 58, pp. 412-424.
Formula: Ca H8 O15 Si4 V
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O44 Si16 V4 (O11 Si4 V)
Multiplicity: 1
Coordination sequences: