Information card for entry 9001343

Structure parameters

• Mineral name: Hydroxylapatite
• Formula: Ca4.557 Ce0.423 F0.335 H2 Na0.02 O12.664 P2.595 Si0.405
• Calculated formula: Ca4.557 Ce0.423 F0.335 H0.664 Na0.02 O12.664 P2.595 Si0.405
• Title of publication: Rare-earth-element ordering and structural variations in natural rare-earth-bearing apatites sample B from the Oka carbonatite
• Authors of publication: Hughes J M; Cameron M; Mariano A N
• Journal of publication: American Mineralogist
• Year of publication: 1991
• Journal volume: 76
• Pages of publication: 1165 - 1173
• a: 9.4202 Å
• b: 9.4202 Å
• c: 6.9157 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 531.48 ų
• Number of distinct elements: 8
• 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