14k Yellow Gold Blue Topaz Roundel Necklace with Pear Shaped Amethyst Drop Pendant, 16" Number of Stones: 174 Blue Topaz, 1 Amethyst To clean, wipe gently clean with soft cloth. Do not use solvents. 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.