Occurs in Pinal County.
Chemical Formula: Cu2(AsO4)(OH)
Specific Gravity: 4.1-4.4
Luster: Subadamantine to resinous
Hardness: 3-3.5
Olivenite is a copper arsenate hydroxide mineral that often appears as green to olive-green crystals or crusts. It is found in the oxidation zones of copper ore deposits.