Sterling Silver Rhodium Crted Pink Tourmaline Birthstone Vibrant Earrings - .22 Carat Gemstone Weight in Sterling Silver - Width of Item: 7.5 mm - Length of Item: 14 mm - Earring Closure: Post & Push Back - Earring Type: Birthstone - Finish: Polished - Feature: Solid - All of our jewelry for women and men are authenticated with a 10K or 14K hallmark and are tested to pass FTC regulations. ::: [ Potential Enhancement Methods: pink tourmaline ] - Commonly heated and/or irradiated to improve appearance. ::: [ Care and Handling: pink tourmaline ] - Do not use ultrasonic cleaner or steamer. Avoid sudden temperature changes, steaming, and contact with cosmetics, hair spray, perfume and household chemicals. Clean with a soft brush or cloth. :::