Citation: Perrault, G. (1968). La composition chimique et la structure cristalline du pyrochlore d'Oka, P.Q. Sample: No. 5. The Canadian Mineralogist, 9, pp. 383-402.
Formula: Ca2 F Nb2 O6
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Nb16 O48 (Nb O3)
Multiplicity: 1
Coordination sequences: