Information card for entry 1549764

Structure parameters

• Common name: prosopite
• Mineral name: prosopite
• Formula: Al2 Ca0.96 F4.28 H3.72 O3.72 Sr0.04
• Calculated formula: Al2 Ca0.964 F4 H4 O4 Sr0.036
• Title of publication: Crystal structure refinement and chemical formula of prosopite, CaAl2F4[(OH)4-xFx] x = 0.0-1.0
• Authors of publication: Hongu, H.; Yoshiasa, A.; Teshima, A.; Isobe, H.; Sugiyama, K.; Arima, H.; Nakatsuka, A.; Momma, K.; Miyawaki, R.
• Journal of publication: Journal of Mineralogical and Petrological Sciences
• Year of publication: 2018
• Journal volume: 113
• Pages of publication: 152 - 158
• a: 6.7103 ± 0.0003 Å
• b: 11.1619 ± 0.0005 Å
• c: 7.3741 ± 0.0003 Å
• α: 90°
• β: 94.919 ± 0.002°
• γ: 90°
• Cell volume: 550.28 ± 0.04 ų
• Number of distinct elements: 6
• 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