Information card for entry 9005384

Structure parameters

• Mineral name: Phengite
• Formula: Al2.43 F0.12 Fe0.34 H1.88 K0.94 Mg0.04 Na0.03 O11.88 Si3.24
• Calculated formula: Al2.43 F0.12 Fe0.34 H1.88 K0.94 Mg0.04 Na0.03 O11.88 Si3.24
• Title of publication: Tetrahedral order in phengite 2M_1 upon heating, from powder neutron diffraction, and thermodynamic consequences Sample: T = 873 K
• Authors of publication: Pavese, A.; Ferraris, G.; Pischedda, V.; Ibberson, R.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 1999
• Journal volume: 11
• Pages of publication: 309 - 320
• a: 5.23899 Å
• b: 9.1048 Å
• c: 20.244 Å
• α: 90°
• β: 95.684°
• γ: 90°
• Cell volume: 960.89 ų
• Ambient diffraction temperature: 873 K
• Sample thermal history: heating, from powder neutron diffraction, and thermodynamic consequences Sample: T = 873 K
• Number of distinct elements: 9
• 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