Citation: Ilyushin, G. D. (1993). New data on the crystal structure of umbite K2ZrSi3O9*H2O. Izvestiya Akademii Nauk SSSR Neorganicheskie Materialy, 29, pp. 971-975.
Formula: H K2 O10 Si3 Ti0.14 Zr0.86
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O36 Si12 Ti4 Zr4 (O9 Si3 Ti Zr)
Multiplicity: 1