Information card for entry 9014622

Structure parameters

• Mineral name: Pentagonite
• Formula: Ca H8 O15 Si4 V
• Calculated formula: Ca H8 O15 Si4 V
• Title of publication: Polymorphic relation between cavanite and pentagonite: genetic implications of oxonium ion in cavansite
• Authors of publication: Ishida, N.; Kimata, M.; Nishida, N.; Hatta, T.; Shimizu, M.; Akasaka, T.
• Journal of publication: Journal of Mineralogical and Petrological Sciences
• Year of publication: 2009
• Journal volume: 104
• Pages of publication: 241 - 252
• a: 10.376 Å
• b: 14.062 Å
• c: 8.984 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1310.83 ų
• Number of distinct elements: 5
• Space group number: 36
• Hermann-Mauguin space group symbol: C c m 21
• Hall space group symbol: C 2c -2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No