Citation: Wierzbicka-Wieczorek M; Kolitsch, U.; Tillmanns, E. (2010). The crystal structures of three new complex silicates of sandium. The Canadian Mineralogist, 48, pp. 51-68.
Formula: Ba Na O7 Sc Si2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O14 Sc2 Si4 (O7 Sc Si2)
Multiplicity: 1
Coordination sequences: