Information card for entry 5000099

Structure parameters

• Chemical name: Dialuminium beryllate
• Mineral name: Chrysoberyl
• Formula: Al2 Be O4
• Calculated formula: Al2 Be O4
• Title of publication: High-pressure crystal chemistry of chrysoberyl, Al2 Be O4: insights on the origin of olivine elastic anisotropy
• Authors of publication: Hazen, R M
• Journal of publication: Physics and Chemistry of Minerals (Germany)
• Year of publication: 1987
• Journal volume: 14
• Pages of publication: 13 - 20
• a: 4.398 ± 0.001 Å
• b: 9.329 ± 0.003 Å
• c: 5.436 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 223 ų
• Ambient diffracton pressure: 6250000 kPa
• Number of distinct elements: 3
• Space group number: 62
• Hermann-Mauguin space group symbol: P b n m
• Hall space group symbol: -P 2c 2ab
• Residual factor for all reflections: 0.038
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No