Information card for entry 9006527

Structure parameters

• Mineral name: Sillimanite
• Formula: Al2 O5 Si
• Calculated formula: Al2 O5 Si
• Title of publication: Compressibility and crystal structure of sillimanite, Al2SiO5, at high pressure Sample: P = 2.54 GPa
• Authors of publication: Yang, H.; Hazen, R. M.; Finger, L. W.; Prewitt, C. T.; Downs, R. T.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 1997
• Journal volume: 25
• Pages of publication: 39 - 47
• a: 7.4537 Å
• b: 7.6238 Å
• c: 5.756 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 327.088 ų
• Ambient diffracton pressure: 2540000 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
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No