Home / Explore / Minerals / Metacalciouranoite Minerals Metacalciouranoite metacalciouranoite (Ca,Na,Ba)U2O7·2H2O Metacalciouranoite: Mineral information, data and localities. — via www.mindat.org · Source Overview Metacalciouranoite is a mineral species (hydrous uranyl mineral). Nickel–Strunz class: 4.GB.20. Scientific references Metacalciouranoite — Wikidata. https://www.wikidata.org/wiki/Q633684 Link