Sterling Silver Rhodolite, Green Tourmaline, and Swiss Blue Topaz Pendant Necklace, 18" Sterling silver chain necklace with drop featuring cluster of swizz blue topaz, single round green tourmaline, and dangling faceted rhodolite garnet 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. Imported 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.