14k Yellow Gold Simulated Turquoise Enamel Adjustable Necklace - 17 Inches - 14k Yellow Gold - Gift Ready Jewelry Box Included ::: [Potential Enhancement Methods: Turquoise] - Typically stabilized with plastic to increase durability. Sometimes the powdered material is compressed with a binder and heated under extreme pressure to join small pieces of natural material into a larger whole. Dyed to enhance the color. ::: [Care and Treatment: Turquoise] - Do not use ultrasonic cleaners or vaporizers. Avoid contact with cosmetics, hairspray, perfumes and household chemicals. Clean with a damp cloth or soft brush. :::