Information card for entry 9001583

Structure parameters

• Mineral name: Biotite
• Formula: Al1.216 Fe1.215 K0.946 Mg1.545 Mn0.018 Na0.032 O12 Si2.784 Ti0.225
• Calculated formula: Al1.216 Fe1.215 K0.946 Mg1.545 Mn0.018 Na0.032 O12 Si2.784 Ti0.225
• Title of publication: Crystal chemistry and microstructures of plutonic biotite Sample 2M1 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: 5.339 Å
• b: 9.249 Å
• c: 20.196 Å
• α: 90°
• β: 95.06°
• γ: 90°
• Cell volume: 993.4 ų
• 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