Citation: Kabalov, Y. K.; Zubkova, N. V.; Pushcharovsky, D. Y.; Schneider, J.; Sapozhnikov, A. N. (2000). Powder Rietveld refinement of armstrongite, CaZr[Si6O15]*3H2O. Zeitschrift fur Kristallographie, 215, pp. 757-761.
Formula: Ca0.91 H6 Na0.09 O18 Si6 Ti0.01 Y0.03 Zr0.96
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O60 Si24 Ti4 Y4 Zr4 (O15 Si6 Ti Y Zr)
Multiplicity: 1