Information card for entry 9009978

Structure parameters

• Mineral name: Carbonate-fluorapatite
• Formula: Ca2.019 F0.165 O8.832 P1.182
• Calculated formula: Ca2.019 F0.165 O8.832 P1.182
• Title of publication: X-ray powder diffraction study of francolite by the Rietveld method Sample: T = 26 C Note: Reported structure does not reproduce reported formula or bondlengths
• Authors of publication: Perdikatsis, B.
• Journal of publication: Materials Science Forum
• Year of publication: 1991
• Pages of publication: 809 - 814
• a: 9.3207 Å
• b: 9.3207 Å
• c: 6.8947 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 518.732 ų
• Ambient diffraction temperature: 299.15 K
• Number of distinct elements: 4
• Space group number: 176
• Hermann-Mauguin space group symbol: P 63/m
• Hall space group symbol: -P 6c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No