Information card for entry 9004619

Structure parameters

• Mineral name: Weeksite
• Formula: Ba Ca0.48 H4.74 K4.96 O72.12 Si20 U8
• Calculated formula: Ba Ca0.48 H8.24 K4.96 O72.12 Si20 U8
• Title of publication: A re-evaluation of the structure of weeksite, a uranyl silicate framework mineral
• Authors of publication: Jackson, J. M.; Burns, P. C.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2001
• Journal volume: 39
• Pages of publication: 187 - 195
• a: 14.209 Å
• b: 14.248 Å
• c: 35.869 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 7261.67 ų
• Number of distinct elements: 7
• Space group number: 67
• Hermann-Mauguin space group symbol: C m m b
• Hall space group symbol: -C 2a 2a
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No