Citation: Borisov, S. V.; Klevtsova, R. F.; Bakakin, V. V.; Belov, N. V. (1966). The crystal structure of neptunite. Soviet Physics Crystallography, 10, pp. 684-689.
Formula: Fe0.54 K Li Mn1.46 Na2 O24 Si8 Ti2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Fe8 Mn8 O96 Si32 Ti8 (Fe Mn O12 Si4 Ti)
Multiplicity: 1