Information card for entry 9000361

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 = 410 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: 8.194 Å
• b: 12.897 Å
• c: 14.19 Å
• α: 92.98°
• β: 115.82°
• γ: 91.15°
• Cell volume: 1346.52 ų
• Ambient diffraction temperature: 683.15 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