AM_Carbonate-fluorapatite_1 Formula: Ca2.07 P1.239 O8.922 F.163 Name: Carbonate-fluorapatite Unit cell: 9.323 9.323 6.8987 90.0 90.0 120.0 , V=519.29 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 = 530 C, Note: Reported structure does not reproduce reported formula or bondlengths