Sterling Silver Multi-Color Amber Butterfly Pendant Necklace on Italian Rolo Chain, 18" Genuine, untreated amber; wash with warm water and soap Gemstones may have been treated to improve their appearance or durability and may require special care. 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 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