Information card for entry 9017595

Structure parameters

• Mineral name: Stepite
• Formula: As2 H10 O12 U
• Calculated formula: As2 H10 O12 U
• Title of publication: Stepite, U(AsO3OH)2*4H2O, from Jachymov, Czech Republic: the first natural arsenate of tetravalent uranium
• Authors of publication: Plasil, J.; Fejfarova, K.; Hlousek, J.; Skoda, R.; Novak, M.; Sejkora, J.; Cejka, J.; Dusek, M.; Veselovsky, F.; Ondrus, P.; Majzlan, J.; Mrazek, Z.
• Journal of publication: Mineralogical Magazine
• Year of publication: 2013
• Journal volume: 77
• Pages of publication: 137 - 152
• a: 10.9867 Å
• b: 10.9867 Å
• c: 32.9271 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 3974.55 ų
• Number of distinct elements: 4
• Space group number: 142
• Hermann-Mauguin space group symbol: I 41/a c d :1
• Hall space group symbol: I 4bw 2aw -1bw
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No