Information card for entry 1527190

Structure parameters

• Chemical name: (K0.78 Na0.22) (Mg0.92 Fe0.92 Mn0.16) (Al2.63 Fe0.37) ((Si10.2 Al1.8) O30) (H2 O)
• Formula: Al4.43 Fe1.29 H2 K0.78 Mg0.92 Mn0.16 Na0.22 O31 Si10.2
• Calculated formula: Al4.44 Fe1.28 K0.78 Mg0.92 Mn0.16 Na0.22 O31.002 Si10.2
• Title of publication: Refinement of the crystal structure of osumilite
• Authors of publication: Brown, G.E.; Gibbs, G.V.
• Journal of publication: American Mineralogist
• Year of publication: 1969
• Journal volume: 54
• Pages of publication: 101 - 114
• a: 10.155 Å
• b: 10.155 Å
• c: 14.284 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1275.68 ų
• Number of distinct elements: 9
• Space group number: 192
• Hermann-Mauguin space group symbol: P 6/m c c
• Hall space group symbol: -P 6 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No