Citation: Ivanov, Yu.V.; Belokoneva, E.L.; Protas, J.; Hansen, N.K.; Tsirelson, V.G. (1998). Multipole Analysis of the Electron Density in Topaz Using X-ray Diffraction Data. Acta Crystallographica Section B, 54, pp. 774-781.
Formula: Al2 F2 O4 Si
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 F8 O16 Si4 (Al2 F2 O4 Si)
Multiplicity: 1
Coordination sequences: