Home / Explore / Minerals / Pradetite Minerals Pradetite pradetite CoCu4(AsO4)2(AsO3OH)2·9H2O Pradetite: Mineral information, data and localities. — via www.mindat.org · Source Overview Pradetite is a mineral species (hydrous arsenate mineral). Nickel–Strunz class: 8.CE.30. Scientific references Pradetite — Wikidata. https://www.wikidata.org/wiki/Q19862117 Link