Home / Explore / Minerals / Kroupaite Minerals Kroupaite kroupaite KPb0.5[(UO2)8O4(OH)10]*10H2O Kroupaite: Mineral information, data and localities. — via www.mindat.org · Source Overview Kroupaite is a mineral species (hydrous uranyl mineral). It crystallises in the orthorhombic system. Scientific references Kroupaite — Wikidata. https://www.wikidata.org/wiki/Q37247134 Link