Citation: Sokolova, E. V.; Yamnova, N. A.; Egorov-Tismenko Y K; Khomyakov, A. P. (1985). Crystal structure of a new mineral Na8Ti3.5O2(OH)2[SiO4]4 - a polymorphous modification of natisite. Soviet Physics Doklady, 30, pp. 822-825.
Formula: H Na4 O10 Si2 Ti1.75
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O22 Si4 Ti4 (O11 Si2 Ti2)
Multiplicity: 1
Coordination sequences: