Information card for entry 9003989

Structure parameters

• Mineral name: Sillimanite
• Formula: Al2 O5 Si
• Calculated formula: Al2 O5 Si
• Title of publication: Equations of state and structures of andalusite to 9.8 GPa and sillimanite to 8.5 GPa Sample: P = 7.663 GPa
• Authors of publication: Burt, J. B.; Ross, N. L.; Angel, R. J.; Koch, M.
• Journal of publication: American Mineralogist
• Year of publication: 2006
• Journal volume: 91
• Pages of publication: 319 - 326
• a: 7.3717 Å
• b: 7.5243 Å
• c: 5.72421 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 317.504 ų
• Ambient diffracton pressure: 7663000 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