Information card for entry 9005882

Structure parameters

• Mineral name: Aegirine
• Formula: Fe0.992 Na0.978 O6 Si1.96
• Calculated formula: Fe0.992 Na0.978 O6 Si1.96
• Title of publication: Magnetic order in acmite; NaFeSi2O6 Sample: T = 14 K
• Authors of publication: Ballet, O.; Coey, J. M. D.; Fillion, G.; Ghose, A.; Hewat, A. W.; Regnard, J. R.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 1989
• Journal volume: 16
• Pages of publication: 672 - 677
• a: 9.68 Å
• b: 8.83 Å
• c: 5.3 Å
• α: 90°
• β: 107.3°
• γ: 90°
• Cell volume: 432.52 ų
• Ambient diffraction temperature: 14 K
• Number of distinct elements: 4
• 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