Citation: Prichard, P.; Perrault, G. (1972). Structure cristalline de l'ekanite de St-Hilaire, P.Q.. Acta Crystallographica, Section B, 28, pp. 1994-1999.
Formula: Ca0.74 Ce0.03 K0.6 Mg0.04 Mn0.2 Na0.9 O20 Pb0.01 Si8 Th0.88
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ce2 O40 Pb2 Si16 Th2 (Ce O20 Pb Si8 Th)
Multiplicity: 1