Sterling Silver Whiskey Quartz Earrings - 5.00 Carat Gemstone Weight in Sterling Silver - Width of Item: 14.9 mm - Length of Item: 23.5 mm - Earring Closure: Post & Push Back - Earring Type: Drop & Dangle - Finish: Polished Dangle ; Polished ; Post Earrings - 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: quartz ] - Usually dyed and/or heat treated to produce different colors. Sometimes surface enhanced with a coating to enhance color. ::: [ Care and Handling: quartz ] - Avoid abrasives, harsh chemicals, steam, and ultrasonic cleaning. Clean with warm soapy water and a soft brush or cloth. :::