Citation: Speer, J. A.; Cooper, B. J. (1982). Crystal structure of synthetic hafnon, HfSiO4, comparison with zircon and the actinide orthosilicates. American Mineralogist, 67, pp. 804-808.
Formula: Hf O4 Si
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Hf4 O16 Si4 (Hf O4 Si)
Multiplicity: 1
Coordination sequences: