Information card for entry 9000078

Structure parameters

• Mineral name: Uranophane - alpha
• Formula: Ca H12 O17 Si2 U2
• Calculated formula: Ca O12 Si2 U2
• Title of publication: The crystal structure of uranophane [Ca(H3O)2](UO2)2(SiO4)2.3H2O
• Authors of publication: Smith, D. K.; Gruner, J. W.; Lipscomb, W. N.
• Journal of publication: American Mineralogist
• Year of publication: 1957
• Journal volume: 42
• Pages of publication: 594 - 618
• a: 15.97 Å
• b: 7.07 Å
• c: 6.68 Å
• α: 90°
• β: 97.3°
• γ: 90°
• Cell volume: 748.111 ų
• Number of distinct elements: 5
• Space group number: 4
• Hermann-Mauguin space group symbol: P 1 21 1
• Hall space group symbol: P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No