Picture Jasper, Red Malachite and Goldstone Nugget and Carnelian Round Bead Necklace with Gold Plated Silver Clasp, 30" 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. Gemstones may have been treated to improve their appearance or durability and may require special care. Domestic