Marthozite
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Marthozite is an orthorhombic mineral that has a general formula of Cu(UO2)3(SeO3)3(OH)2·7H2O. It was named after French mineralogist Aime Marthoz, former Director-general of the Union Miniere du Haut Katanga.
It is usually found in cavities in selenian digenite. It is specifically found in the zones of oxidation of the Musonoi deposit in Katanga, Africa.