Information card for entry 9002898

Structure parameters

• Mineral name: Calcioaravaipaite
• Formula: Al Ca2 F9 Pb
• Calculated formula: Al Ca2 F9 Pb
• Title of publication: Order-disorder approach to calcioaravaipaite, [PbCa2Al(F,OH)9]: The crystal structure of the triclinic MDO polytype
• Authors of publication: Kampf, A. R.; Merlino, S.; Pasero, M.
• Journal of publication: American Mineralogist
• Year of publication: 2003
• Journal volume: 88
• Pages of publication: 430 - 435
• a: 7.722 Å
• b: 7.516 Å
• c: 12.206 Å
• α: 98.86°
• β: 96.91°
• γ: 90°
• Cell volume: 694.757 ų
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: C -1
• Hall space group symbol: -P 1 (1/2*x+1/2*y,1/2*x-1/2*y,-z)
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No