Sterling Silver and 14K Smokey Quartz and White Topaz Ring - Measures 3x8mm - Size 7 - 3.39 Carat Gemstone Weight in Sterling Silver - Product Attributes: - Smokey quartz --Sterling Silver and 14k yellow gold - White topaz - Band Width: 3 mm - Width of Item: 3 mm - Ring Top Length: 10 mm - Ring Top Width: 16.5 mm - Finish: Polished - Ring Top Width: 16.5 mm - Ring Top Length: 10 mm - Feature: Solid Polished - 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: 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. ::: ::: [ Potential Enhancement Methods: white topaz ] - Usually irradiated and heated to produce color. Some topaz may be coated with a thin film of minerals applied through heat. ::: [ Care and Handling: white topaz ] - Clean with warm soapy water and a soft brush or cloth. :::