Information card for entry 9004451

Structure parameters

• Mineral name: Brianroulstonite
• Formula: B5 Ca3 Cl2 H23 O21
• Calculated formula: B5 Ca3 Cl2 H23 O21
• Title of publication: Brianroulstonite: A new borate mineral with a sheet structure
• Authors of publication: Grice, J. D.; Gault, R. A.; Van Velthuizen, J.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 1997
• Journal volume: 35
• Pages of publication: 751 - 758
• a: 17.367 Å
• b: 8.079 Å
• c: 8.693 Å
• α: 90°
• β: 121.56°
• γ: 90°
• Cell volume: 1039.3 ų
• Number of distinct elements: 5
• Space group number: 7
• Hermann-Mauguin space group symbol: P 1 a 1
• Hall space group symbol: P -2ya
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No