AM_Zirconolite Formula: (Ca1.058 Na.09 Th.034 Ce.818) Zr2 (Ti2.273 Nb.707 Ta.02) Fe.982 O14 Name: Zirconolite Unit cell: 10.148 14.147 7.278 90.0 90.0 90.0 , V=1044.86 Space group: ACAM (64)

Mazzi F , Munno R , American Mineralogist , 68 (1983) p.262-276, Calciobetafite (new mineral of the pyrochlore group) and related minerals from