Information card for entry 9011103

Structure parameters

• Mineral name: Ettringite
• Formula: Al2 Ca6 H66 O49.68 S3
• Calculated formula: Al2 Ca6 H63.36 O49.68 S3
• Title of publication: Crystal structure of ettringite
• Authors of publication: Moore, A. E.; Taylor, H. F. W.
• Journal of publication: Acta Crystallographica, Section B
• Year of publication: 1970
• Journal volume: 26
• Pages of publication: 386 - 393
• a: 11.26 Å
• b: 11.26 Å
• c: 21.48 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 2358.53 ų
• Number of distinct elements: 5
• Space group number: 159
• Hermann-Mauguin space group symbol: P 3 1 c
• Hall space group symbol: P 3 -2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No