Information card for entry 9001582

Structure parameters

• Mineral name: Biotite
• Formula: Al1.207 Fe0.4 K1.906 Mg0.512 Mn0.007 Na0.034 O12 Si2.808 Ti0.067
• Calculated formula: Al1.207 Fe0.4 K1.906 Mg0.512 Mn0.007 Na0.034 O12 Si2.808 Ti0.067
• Title of publication: Crystal chemistry and microstructures of plutonic biotite Sample 1M from Valle del Cervo syenitic complex
• Authors of publication: Bigi, S.; Brigatti, M. F.
• Journal of publication: American Mineralogist
• Year of publication: 1994
• Journal volume: 79
• Pages of publication: 63 - 72
• a: 5.335 Å
• b: 9.244 Å
• c: 10.206 Å
• α: 90°
• β: 100.08°
• γ: 90°
• Cell volume: 495.557 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