Occurs in Pinal County.
Chemical Formula: PbCu(VO4)(OH)
Specific Gravity: 6.4-6.5
Luster: Subadamantine to resinous
Hardness: 3.5-4
Mottramite is a lead copper vanadate hydroxide mineral that often forms as green to yellowish-green crystals or crusts. It is found in the oxidation zones of copper ore deposits.
Next Pinal County mineral: Munkataite