Information card for entry 9009501

Structure parameters

• Mineral name: Frankamenite
• Formula: Ca4.86 F2 H4 K2.87 Na3.14 O32.78 Si12
• Calculated formula: Ca4.86 F2 H3.56 K2.87 Na3.14 O32.78 Si12
• Title of publication: The crystal structure of frankamenite
• Authors of publication: Rozhdestvenskaya, I. V.; Nikishova, L. V.; Lazebnik, K. A.
• Journal of publication: Mineralogical Magazine
• Year of publication: 1996
• Journal volume: 60
• Pages of publication: 897 - 905
• a: 10.094 Å
• b: 12.691 Å
• c: 7.24 Å
• α: 90°
• β: 111.02°
• γ: 110.2°
• Cell volume: 804.337 ų
• Number of distinct elements: 7
• Space group number: 1
• Hermann-Mauguin space group symbol: P 1
• Hall space group symbol: P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No