Citation: Grice, J. D.; Chao, G. Y. (1997). Horvathite-(Y), rare-earth fluorocarbonate, a new mineral species from Mont Saint-Hilaire, Quebec. The Canadian Mineralogist, 35, pp. 743-749.
Formula: C F2 Na O3 Y
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: C4 F8 O12 Y4 (C F2 O3 Y)
Multiplicity: 1