Citation: Zachariasen, W H (1930). The structure of thortveitite, Sc2 Si O7. Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik,Kristallchemie (-144,1977), 73, pp. 1-6.
Formula: O7 Sc2 Si2
Chemical name: Discandium disilicate
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: