Information card for entry 9000182

Structure parameters

• Mineral name: Sapphirine
• Formula: Al9 Mg3.5 O20 Si1.5
• Calculated formula: Al9 Mg3.5 O20 Si1.5
• Title of publication: The crystal structure of sapphirine
• Authors of publication: Moore, P. B.
• Journal of publication: American Mineralogist
• Year of publication: 1969
• Journal volume: 54
• Pages of publication: 31 - 49
• a: 11.266 Å
• b: 14.401 Å
• c: 9.929 Å
• α: 90°
• β: 125.46°
• γ: 90°
• Cell volume: 1312.11 ų
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No