Citation: Xu Hongwu; Navrotsky, A.; Nenoff, T.M.; Nyman, M. (2004). Crystal chemistry and energetics of pharmacosiderite-related microporous phases in the (K2 O) - (Cs2 O) - (Si O2) - (Ti O2) - (H2 O) system. Microporous and Mesoporous Materials, 772, pp. 209-218.
Formula: Cs1.998 K0.99 O20 Si3 Ti4
Chemical name: (K0.33 Cs0.67)3 (Si3 Ti4 O15 (O H)) (H2 O)4.95
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O16 Si3 Ti4 (O16 Si3 Ti4)
Multiplicity: 1
Coordination sequences: