Information card for entry 1519649

Structure parameters

• Mineral name: geschieberite
• Formula: H2 K2 O12 S2 U
• Calculated formula: K2 O12 S2 U
• Title of publication: Geschieberite, K~2~(UO~2~)(SO~4~)~2~(H~2~O)~2~, a new uranyl sulfate mineral from Jáchymov
• Authors of publication: Plášil, J.; Hloušek, J.; Kasatkin, A. V.; Škoda, R.; Novák, M.; Čejka, J.
• Journal of publication: Mineralogical Magazine
• Year of publication: 2015
• Journal volume: 79
• Journal issue: 1
• Pages of publication: 205 - 216
• a: 13.7778 ± 0.0004 Å
• b: 7.2709 ± 0.0002 Å
• c: 11.5488 ± 0.0003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1156.92 ± 0.06 ų
• Cell temperature: 300.1 ± 1 K
• Ambient diffraction temperature: 300.1 K
• Number of distinct elements: 5
• Space group number: 33
• Hermann-Mauguin space group symbol: P n a 21
• Hall space group symbol: P 2c -2n
• Residual factor for all reflections: 0.0346
• Residual factor for significantly intense reflections: 0.0282
• Weighted residual factors for significantly intense reflections: 0.0648
• Weighted residual factors for all reflections included in the refinement: 0.0681
• Goodness-of-fit parameter for significantly intense reflections: 1.53
• Goodness-of-fit parameter for all reflections included in the refinement: 1.46
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.7107 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes