AM_Carbonate-fluorapatite Formula: Ca2.019 P1.182 O8.832 F.165 Name: Carbonate-fluorapatite Unit cell: 9.3207 9.3207 6.8947 90.0 90.0 120.0 , V=518.73 Space group: P63/M (176)

Perdikatsis B , Materials Science Forum , 79 (1991) p.809-814, X-ray powder diffraction study of francolite by the Rietveld method, Locality: Epirus, Greece, Sample: T = 26 C, Note: Reported structure does not reproduce reported formula or bondlengths