Citation: Smolin, Yu.I.; Shepelev, Yu.F.; Titov, A.P. (1972). Refinement of the crystal structure of thortveitite. Kristallografiya, 17, pp. 857-858.
Formula: O7 Sc2 Si2
Chemical name: Sc2 (Si2 O7)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O14 Sc4 Si4 (O7 Sc2 Si2)
Multiplicity: 1
Coordination sequences: