Information card for entry 1544877

Structure parameters

• Common name: (K,Na)(Mn,Mg,Fe)3(Si,Al)4O10(OH)2
• Mineral name: 1M-manganese trioctahedral micas
• Formula: Al1.07 Ba0.11 Fe0.49 H1.57 K0.73 Mg2.27 Mn0.49 Na0.32 O12 Si2.86
• Calculated formula: Al1.08 Ba0.11 Fe0.48 K0.73 Mg2.28 Mn0.48 Na0.32 O12 Si2.84
• Title of publication: The crystal structures of 1M-kinoshitalite, a new barium brittle mica and 1M-manganese trioctahedral micas Sample: No.2
• Authors of publication: Kato, T.; Miura, Y.; Yoshii, M.; Maeda, K.
• Journal of publication: Mineralogical Journal
• Year of publication: 1979
• Journal volume: 9
• Pages of publication: 392 - 408
• a: 5.349 ± 0.002 Å
• b: 9.241 ± 0.002 Å
• c: 10.282 ± 0.004 Å
• α: 90°
• β: 99.96 ± 0.02°
• γ: 90°
• Cell volume: 500.6 ± 0.3 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