Citation: Rastsvetaeva, R. K.; Arakcheeva, A. V.; Khomyakov, A. P. (1996). Crystal structure and microtwinning of a new monoclinic analog of nenadkevichite. Doklady Chemistry, 351, pp. 294-297.
Formula: H1.23 K0.875 Na0.43 Nb0.3 O7.89 Si2 Ti0.7
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Nb8 O64 Si16 Ti8 (Nb O8 Si2 Ti)
Multiplicity: 1