Information card for entry 9000362

Structure parameters

• Mineral name: Anorthite
• Formula: Al2 Ca O8 Si2
• Calculated formula: Al2 Ca O8 Si2
• Title of publication: The anorthite crystal structure at 410 and 830 C T = 830 C
• Authors of publication: Foit, F. F.; Peacor, D. R.
• Journal of publication: American Mineralogist
• Year of publication: 1973
• Journal volume: 58
• Pages of publication: 665 - 675
• a: 8.223 Å
• b: 12.915 Å
• c: 14.204 Å
• α: 92.75°
• β: 115.8°
• γ: 91.02°
• Cell volume: 1355.28 ų
• Ambient diffraction temperature: 1103.15 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No