Information card for entry 9010490

Structure parameters

• Mineral name: Whitlockite
• Formula: Ca9.061 Fe0.014 H0.89 Mg0.986 O28 P7
• Calculated formula: Ca9.061 Fe0.014 Mg0.986 O28 P7
• Title of publication: The crystal chemistry of whitlockite and merrillite and the dehydrogenation of whitlockite to merrillite Locality: Tip Top Pegmatite, Custer County, South Dakota
• Authors of publication: Hughes, J. M.; Jolliff, B. L.; Rakovan, J.
• Journal of publication: American Mineralogist
• Year of publication: 2008
• Journal volume: 93
• Pages of publication: 1300 - 1305
• a: 10.3477 Å
• b: 10.3477 Å
• c: 37.077 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 3438.14 ų
• Number of distinct elements: 6
• 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