Citation: Borel, M. M.; Chardon, J.; Grandin, A.; Leclaire, A.; Raveau, B. (1993). Structure of a new siliconiobate K~6.5~Ca~0.75~Nb~14~Si~4~O~47~. Acta Crystallographica Section C, 49, pp. 570-571.
Formula: Ca K7 Nb14 O47 Si4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Nb28 O94 Si8 (Nb14 O47 Si4)
Multiplicity: 1
Coordination sequences: