Information card for entry 9009980

Structure parameters

• Mineral name: Carbonate-fluorapatite
• Formula: Ca2.108 F0.171 O8.817 P1.362
• Calculated formula: Ca2.108 F0.171 O8.817 P1.362
• Title of publication: X-ray powder diffraction study of francolite by the Rietveld method Sample: T = 750 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: 9.3593 Å
• b: 9.3593 Å
• c: 6.8919 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 522.825 ų
• Ambient diffraction temperature: 1023.15 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