Information card for entry 9000434

Structure parameters

• Mineral name: Whitlockite
• Formula: Ca9.095 Fe0.413 Mg0.587 O28 P7
• Calculated formula: Ca9.095 Fe0.413 Mg0.587 O28 P7
• Title of publication: The crystal structure of whitlockite from the Palermo quarry
• Authors of publication: Calvo, C.; Gopal, R.
• Journal of publication: American Mineralogist
• Year of publication: 1975
• Journal volume: 60
• Pages of publication: 120 - 133
• a: 10.33 Å
• b: 10.33 Å
• c: 37.103 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 3428.78 ų
• Number of distinct elements: 5
• Space group number: 161
• Hermann-Mauguin space group symbol: R 3 c :H
• Hall space group symbol: R 3 -2"c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No