Occurs in Pinal County.
Chemical Formula: Pb2CuCl2(OH)4
Specific Gravity: 6.3-6.5
Luster: Adamantine to vitreous
Hardness: 2.5-3
Diaboleite is a lead copper chloride hydroxide mineral that often forms as dark blue to blue-green crystals or coatings. It is found in the oxidation zones of lead-copper ore deposits.