Citation: Wyckoff, R. W. G. (1951). Pages 80 & 81 from the Structure of Crystals, vol. 4 by Wyckoff R W G. published by Interscience Publishers, Inc. in 1951 . The Structure of Crystals, 4, pp. 80-81.
Formula: Na Nb13 O33
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Nb100 O260 (Nb5 O13)