Information card for entry 9001387

Structure parameters

• Mineral name: Fluorapatite
• Formula: Ca4.686 F O12 P3 Sr0.314
• Calculated formula: Ca4.686 F O12 P3 Sr0.314
• Title of publication: Ordering of divalent cations in the apatite structure: Crystal structure refinements of natural Mn- and Sr-bearing apatite sample Sr.63
• Authors of publication: Hughes J M; Cameron M; Crowley K D
• Journal of publication: American Mineralogist
• Year of publication: 1991
• Journal volume: 76
• Pages of publication: 1857 - 1862
• a: 9.3902 Å
• b: 9.3902 Å
• c: 6.9011 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 526.985 ų
• Number of distinct elements: 5
• 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