Information card for entry 9013278

Structure parameters

• Mineral name: Aegirine
• Formula: Fe Na O6 Si2
• Calculated formula: Fe Na O6 Si2
• Title of publication: In situ high-pressure single-crystal X-ray study of aegirine, NaFe3+Si2O6, and the role of M1 size in clinopyroxene compressibility Note: Pressure = 9.76 GPa
• Authors of publication: McCarthy, A. C.; Downs, R. T.; Thompson, R. M.; Redhammer, G. J.
• Journal of publication: American Mineralogist
• Year of publication: 2008
• Journal volume: 93
• Pages of publication: 1829 - 1837
• a: 9.422 Å
• b: 8.548 Å
• c: 5.1597 Å
• α: 90°
• β: 106.371°
• γ: 90°
• Cell volume: 398.71 ų
• Ambient diffracton pressure: 9760000 kPa
• 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