Occurs in Pinal County.
Chemical Formula: Cu(UO2)2(PO4)2·8H2O
Specific Gravity: 3.45-3.55
Luster: Subadamantine to vitreous
Hardness: 2.5-3
Metatorbernite is a copper uranium phosphate mineral that often forms as green to blue-green crystals or crusts. It is found in the oxidation zones of uranium deposits.
Next Pinal County mineral: Microcline