Information card for entry 9012137

Structure parameters

• Mineral name: Whitlockite
• Formula: Ca9.5 Mg O28 P7
• Calculated formula: Ca9.5 Mg O28 P7
• Title of publication: Crystallographic studies of the role of Mg as a stabilizing impurity in beta-Ca3(PO4)2. II. Refinement of Mg-containing beta-Ca3(PO4)2 Sample: x = 0.29 Mg
• Authors of publication: Schroeder, L. W.; Dickens, B.; Brown, W. E.
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 1977
• Journal volume: 22
• Pages of publication: 253 - 262
• a: 10.337 Å
• b: 10.337 Å
• c: 37.068 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 3430.2 ų
• Number of distinct elements: 4
• 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