Citation: Sinclair, W.; Eggleton, R. A. (1982). Structure refinement of zirkelite from Kaiserstuhl, West Germany. American Mineralogist, 67, pp. 615-620.
Formula: Ca1.74 Fe0.91 Nb0.98 O14 Th0.26 Ti2.11 Zr2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca8 Fe16 Nb12 O56 Th8 Ti28 Zr16 (Ca2 Fe4 Nb3 O14 Th2 Ti7 Zr4)
Multiplicity: 1