Information card for entry 9000744

Structure parameters

• Mineral name: Anorthite
• Formula: Al0.81 Ca0.325 Na0.16 O4 Si1.19
• Calculated formula: Al0.81 Ca0.325 Na0.16 O4 Si1.19
• Title of publication: The average structure of An 62-66 labradorite
• Authors of publication: Wenk, H. R.; Joswig, W.; Tagai, T.; Korekawa, M.; Smith, B. K.
• Journal of publication: American Mineralogist
• Year of publication: 1980
• Journal volume: 65
• Pages of publication: 81 - 95
• a: 8.1736 Å
• b: 12.8736 Å
• c: 7.1022 Å
• α: 93.462°
• β: 116.054°
• γ: 90.475°
• Cell volume: 669.647 ų
• Number of distinct elements: 5
• Space group number: 2
• Hermann-Mauguin space group symbol: C -1
• Hall space group symbol: -C 1
• Diffraction radiation probe: x-ray
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No