Information card for entry 9016972

Structure parameters

• Mineral name: Anorthite
• Formula: Al Ca0.5 O4 Si
• Calculated formula: Al Ca0.5 O4 Si
• Title of publication: Topotactic transformation and dehydration of the zeolite gismondine to a novel Ca feldspar structure Note: T = 350 C, Path 2, synthesised from gismondine
• Authors of publication: Wadoski-Romeijn E; Armbruster, T.
• Journal of publication: American Mineralogist
• Year of publication: 2013
• Journal volume: 98
• Pages of publication: 1988 - 1997
• a: 8.152 Å
• b: 12.917 Å
• c: 7.126 Å
• α: 93.26°
• β: 116.37°
• γ: 88.72°
• Cell volume: 671.192 ų
• Ambient diffraction temperature: 623.15 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: C -1
• Hall space group symbol: -C 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No