Citation: Hughes, J. M.; Finger, L. W. (1983). Bannermanite, a new sodium-potassium vanadate isostructural with beta-Na_xV6O15. American Mineralogist, 68, pp. 634-641.
Formula: Na0.76 O15 V6
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O30 V12 (O5 V2)
Multiplicity: 1
Coordination sequences: