Occurs in Pinal County.
Chemical Formula: Pb8O3(SeO3)2Cl2
Specific Gravity: 7.2
Luster: Adamantine to resinous
Hardness: 3.5-4
Kentrolite is a lead oxide selenite chloride mineral that often forms as yellow to brownish-yellow crystals. It is found in the oxidation zones of lead ore deposits.