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IMA database

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  Search Ancestor:

    Štěpite
    Ště
    U(AsO3OH)2(H2O)2·2H2O
    U4+(As5+O3OH)2(H2O)2·2H2O
    U4+ As5+ O H
    Plášil J, Fejfarová K, Hloušek J, Škoda R, Novák M, Sejkora J, Čejka J, Dušek M, Veselovský F, Ondruš P, Majzlan J, Mrázek Z (2013) Štěpite, U(AsO3OH)2·4H2O, from Jáchymov, Czech Republic: the first natural arsenate of tetravalent uranium. Mineralogical Magazine 77, 137-152  [view file]
    Chemical formula changed from U(AsO3OH)2·4H2O to U(AsO3OH)2(H2O)2·2H2O:
    Pasero M (2025) The New IMA List of Minerals - A Work in Progress - Updated: November 2025. International Mineralogical Association 2025-11  [view file]
    Plášil J, Fejfarová K, Hloušek J, Škoda R, Novák M, Sejkora J, Čejka J, Dušek M, Veselovský F, Ondruš P, Majzlan J, Mrázek Z (2013) Štěpite, U(AsO3OH)2·4H2O, from Jáchymov, Czech Republic: the first natural arsenate of tetravalent uranium. Mineralogical Magazine 77, 137-152  [view file]
      HOM File
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    Pasero M (2025) The New IMA List of Minerals - A Work in Progress - Updated: November 2025. International Mineralogical Association 2025-11  [view file]
    Plášil J, Fejfarová K, Hloušek J, Škoda R, Novák M, Sejkora J, Čejka J, Dušek M, Veselovský F, Ondruš P, Majzlan J, Mrázek Z (2013) Štěpite, U(AsO3OH)2·4H2O, from Jáchymov, Czech Republic: the first natural arsenate of tetravalent uranium. Mineralogical Magazine 77, 137-152  [view file]
    Williams P A, Hatert F, Pasero M, Mills S J (2012) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 13, New minerals and nomenclature modifications approved in 2012. Mineralogical Magazine 76, 807-817  [view file]