Home / Explore / Minerals / Coutinhoite Minerals Coutinhoite coutinhoite Th_{x}Ba_(1-2x)(UO2)2Si5O13 * (H2O)1+y Coutinhoite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Coutinhoite is a mineral species (thorium uranyl nesosilicate mineral). Nickel–Strunz class: 9.AK.30. Scientific references Coutinhoite — Wikidata. https://www.wikidata.org/wiki/Q3696283 Link