Information card for entry 9012415

Structure parameters

• Mineral name: Whitlockite
• Formula: Ca9 H Mg O28 P7
• Calculated formula: Ca9 Mg O28 P7
• Title of publication: Crystal structure of synthetic Mg-whitlockite, Ca18Mg2H2(PO4)14
• Authors of publication: Gopal, R.; Calvo, C.; Ito, J.; Sabine, W. K.
• Journal of publication: Canadian Journal of Chemistry
• Year of publication: 1974
• Journal volume: 52
• Pages of publication: 1155 - 1164
• a: 10.35 Å
• b: 10.35 Å
• c: 37.085 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 3440.41 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