Home / Explore / Minerals / Natromarkeyite Minerals Natromarkeyite natromarkeyite Na2Ca8(UO2)4(CO3)13(H2O)24·3H2O Natromarkeyite: Mineral information, data and localities. — via www.mindat.org · Source Overview Natromarkeyite is a mineral species (hydrous uranyl carbonate). It crystallises in the orthorhombic system. Scientific references Natromarkeyite — Wikidata. https://www.wikidata.org/wiki/Q66477076 Link