Information card for entry 9004192

Structure parameters

• Mineral name: Poudretteite
• Formula: B3 K Na2 O30 Si12
• Calculated formula: B3 K Na2 O30 Si12
• Title of publication: Poudretteite, KNa2B3Si12O30, a new member of the osumilite group from Mont Saint-Hilaire, Quebec, and its crystal structure
• Authors of publication: Grice, J. D.; Ercit, T. S.; Van Velthuizen, J.; Dunn, P. J.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 1987
• Journal volume: 25
• Pages of publication: 763 - 766
• a: 10.253 Å
• b: 10.253 Å
• c: 13.503 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1229.31 ų
• Number of distinct elements: 5
• Space group number: 192
• Hermann-Mauguin space group symbol: P 6/m c c
• Hall space group symbol: -P 6 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No