Home / Explore / Minerals / Coralloite Minerals Coralloite coralloite Mn²⁺Mn³⁺2(AsO4)2(OH)2·4H2O Coralloite archived mineral specimens — via www.dakotamatrix.com · Source Overview Coralloite is a mineral species (arsenate mineral). It crystallises in the triclinic system. Nickel–Strunz class: 8.DC.20. Scientific references Coralloite — Wikidata. https://www.wikidata.org/wiki/Q19833348 Link