Information card for entry 9002306

Structure parameters

• Mineral name: Biotite
• Formula: Al1.9 Fe1.44 H1.54 K0.95 Mg0.84 Na0.05 O12 Si2.64 Ti0.16
• Calculated formula: Al1.9 Fe1.44 H1.54 K0.95 Mg0.84 Na0.05 O12 Si2.64 Ti0.16
• Title of publication: Crystal chemistry of Al-rich biotites coexisting with muscovites in peraluminous granites Sample: B1
• Authors of publication: Brigatti, M. F.; Frigieri, P.; Ghezzo c; Poppi, L.
• Journal of publication: American Mineralogist
• Year of publication: 2000
• Journal volume: 85
• Pages of publication: 436 - 448
• a: 5.336 Å
• b: 9.239 Å
• c: 10.2 Å
• α: 90°
• β: 100.29°
• γ: 90°
• Cell volume: 494.765 ų
• Number of distinct elements: 9
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No