Top Plaza Jewelry Set - Gemstone Crystal Pendant Necklace and Dangle Drop Earrings Jewelry Set (Natural Amethyst) Material: (Natural) amethyst agate; Synthetic opalite. metal:copper Jewelry set comes with a cord chain (18-19.5''). Earrings:24ga;pendant:2.3'' Genuine Amethyst Agate Dangle Earrings + Amethyst Agate Pendant Necklace for women. 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