Information card for entry 1533372

Structure parameters

• Chemical name: K2 (Mg3.15 Fe2.59 Ti0.17 Mn0.09) (Si5.98 Al1.92 Ti0.10) O20 ((O H)1.47 F1.98)
• Formula: Al1.92 F1.98 Fe2.59 H1.47 K2 Mg3.15 Mn0.09 O21.47 Si5.98 Ti0.27
• Calculated formula: Al1.92 F1.98 Fe2.5902 H1.47 K2 Mg3.15 Mn0.09 O21.47 Si5.98 Ti0.2698
• Title of publication: Crystal structures of biotite at high temperatures and of heat-treated biotite using neutron powder diffraction
• Authors of publication: Chon Chulmin; Kim Shin Ae; Moon Hi-Soo
• Journal of publication: Clays and Clay Minerals (29,1981-)
• Year of publication: 2003
• Journal volume: 51
• Pages of publication: 519 - 528
• a: 5.3412 Å
• b: 9.2495 Å
• c: 10.1994 Å
• α: 90°
• β: 100.337°
• γ: 90°
• Cell volume: 495.707 ų
• Number of distinct elements: 10
• 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