Citation: Perrault, G. (1968). La composition chimique et la structure cristalline du pyrochlore d'Oka, P.Q.. Canadian Mineralogist, 9, pp. 383-402.
Formula: Ca8.44 Ce0.3 F7.27 Fe0.21 H0.73 La0.064 Na5.91 Nb14.84 Nd0.064 O48.73 Sr0.27 Th0.016 Ti0.97 Y0.048 Zr0.14
Chemical name: (Na5.91 Ca8.44 Sr0.27 Ce0.3 La0.064 Nd0.064 Y0.048 Th0.016) (Nb14.84 Ti0.97 Zr0.14 Fe0.21) O48 (O H)0.73 F7.27
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca16 Ce16 F8 Fe32 La16 Na16 Nb16 Nd16 O56 Sr16 Th16 Ti16 Y16 Zr16 (Ca2 Ce2 F Fe4 La2 Na2 Nb2 Nd2 O7 Sr2 Th2 Ti2 Y2 Zr2)