Information card for entry 9011920

Structure parameters

• Mineral name: Prosopite
• Formula: Al2 Ca F4 H4 O4
• Calculated formula: Al2 Ca F4 O4
• Title of publication: About the structure of the prosopite, Ca[Al2F4(OH)4], and about some features of the fluoroaluminate crystal chemistry
• Authors of publication: Pudovkina, Z. V.; Pyatenko, Y. A.
• Journal of publication: Doklady Akademii Nauk SSSR
• Year of publication: 1970
• Journal volume: 190
• Pages of publication: 665 - 667
• a: 6.76 Å
• b: 11.12 Å
• c: 7.32 Å
• α: 90°
• β: 95°
• γ: 90°
• Cell volume: 548.159 ų
• Number of distinct elements: 5
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No