Turquoise and Coral Nugget Necklace with Sterling Silver Beads, 16+3" Extender Necklace has 3" extender Gemstones may have been treated to improve their appearance or durability and may require special care. Clean with a soft damp cloth The natural properties and composition of mined gemstones define the unique beauty of each piece. The image may show slight differences to the actual stone in color and texture