Big CHRYSOCOLLA Semiprecious Mineral Sphere. It measures 6" in Diameter and Weighs 9 lbs 7 oz. Chrysocolla is a copper silicate material known for its blue-green color and is often found in copper mines. It is sometimes referred to as the "stone of communication" because it is believed to help with self-expression and clear thinking. ROCKS MINERALS FOSSILS CRYSTALS
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