Citation: Perrault, G. (1968). La composition chimique et la structure cristalline du pyrochlore d'Oka, P.Q.. Canadian Mineralogist, 9, pp. 383-402.
Formula: Ca9.35 Ce1.38 F6.37 Fe0.59 H0.61 La0.21 Mn0.016 Na5.06 Nb12.7 Nd0.19 O49.65 Sn0.048 Sr0.096 Ta0.11 Ti2.24 Y0.032 Zr0.16
Chemical name: (Na5.06 Ca9.35 Sr0.096 Mn0.016 Ce1.38 La0.21 Nd0.19 Y0.032) (Nb12.7 Ta0.11 Ti2.24 Zr0.16 Sn0.048 Fe0.59) O49.04 (O H)0.61 F6.37
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca16 Ce16 F8 Fe16 La16 Mn16 Na16 Nb16 Nd16 O56 Sn16 Sr16 Ta16 Ti16 Y16 Zr16 (Ca2 Ce2 F Fe2 La2 Mn2 Na2 Nb2 Nd2 O7 Sn2 Sr2 Ta2 Ti2 Y2 Zr2)