AM_Romeite_2 Formula: Ca1.58 Sb2 O6.37 F.44 Name: Romeite Unit cell: 10.3 10.3 10.3 90.0 90.0 90.0 , V=1092.73 Space group: FD-3M (227)

Aia M A , Mooney R W , Hoffman C W W , Journal of the Electrochemical Society , 110 (1963) p.1048-1054, An X-ray study of pyrochlore fluoantimonates of calcium, cadmium, and manganese