Home / Explore / Minerals / Piretite Minerals Piretite piretite Ca(UO2)3(SeO3)2(OH)4·4H2O Piretite : r/Radioactive_Rocks — via www.reddit.com · Source Overview Piretite is a mineral species (uranyl selenite mineral). Nickel–Strunz class: 4.JJ.15. Scientific references Piretite — Wikidata. https://www.wikidata.org/wiki/Q3905615 Link