Home / Explore / Minerals / Calcioursilite Minerals Calcioursilite calcioursilite Ca4(UO2)4(Si2O5)5(OH)6·15H2O Calcioursilite: Mineral information, data and localities. — via www.mindat.org · Source Overview Calcioursilite is a mineral species (uranyl nesosilicate mineral). Nickel–Strunz class: 9.AK.35. Scientific references Calcioursilite — Wikidata. https://www.wikidata.org/wiki/Q19833367 Link