Tags: Chemical Substance, Mineral.
Conichalcite CaCu(AsO4)(OH) is a relatively common arsenate mineral related to duftite (PbCu(AsO4)(OH)). It is green often botryoidal and occurs in the oxidation zone of some metal deposits. It occurs with limonite malachite beudantite adamite cuproadamite olivenite and smithsonite.