Citation: Cannillo, E.; Rossi, G.; Ungaretti, L. (1973). The crystal structure of elpidite. American Mineralogist, 58, pp. 106-109.
Formula: H6 Na2 O18 Si6 Zr
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O60 Si24 Zr4 (O15 Si6 Zr)
Multiplicity: 1
Coordination sequences: