Citation: Genkina, E.A.; Mill', B.V. (1992). Crystal structures of sphens Na Sb Ge O5, Na Ta Ge O5 and Li Ta Si O5.. Kristallografiya, 37, pp. 1424-1428.
Formula: Li O5 Si Ta
Chemical name: Li Ta (Si O4) O
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O20 Si4 Ta4 (O5 Si Ta)
Multiplicity: 1
Coordination sequences: