Citation: Haring, M. M. M.; McDonald, A. M. (2014). Franconite, NaNb2O5(OH)*3H2O: structure determination and the role of H bonding, with comments on the crystal chemistry of franconite-related minerals. Mineralogical Magazine, 78, pp. 591-607.
Formula: Al0.01 Ca0.13 H7 Na0.73 Nb1.96 O9 Si0.02 Ti0.02
List type: noninterleaving
List: 2D
Basis: (0;1;0 0;0;1)
Dimensionality: 2
Formula: Al8 H4 Nb8 O24 Si8 Ti8 (Al2 H Nb2 O6 Si2 Ti2)
Multiplicity: 1