14k Yellow Gold 6mm Square Smokey Quartz Earrings - 2.10 Carat Gemstone Weight in 14k Yellow Gold - FREE gift-ready jewelry box - Width of Item: 7 mm - Length of Item: 7 mm - Earring Closure: Post & Push Back - Earring Type: Stud - ::: [ Potential Enhancement Methods: smokey quartz ] - Usually dyed and/or heat treated to produce different colors. Sometimes surface enhanced with a coating to enhance color. ::: [ Care and Handling: smokey quartz ] - Avoid abrasives, harsh chemicals, steam, and ultrasonic cleaning. Clean with warm soapy water and a soft brush or cloth. :::