Home / Explore / Minerals / Caoxite Minerals Caoxite caoxite CaC2O4·3H2O Caoxite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Caoxite is a mineral species (oxalate mineral). It crystallises in the triclinic system. Nickel–Strunz class: 10.AB.50. Scientific references Caoxite — Wikidata. https://www.wikidata.org/wiki/Q422353 Link