14k Yellow Gold Simulated Onyx Bead Earrings - Measures 6x6mm - in 14k Yellow Gold - Product Attributes: - Onyx - Post Earrings - Width of Item: 6 mm - Length of Item: 6 mm - Earring Closure: Post & Push Back - Earring Type: Ball Post Earrings ; Onyx - 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: onyx ] - Occasionally stabilized with plastic to enhance durability. Sometimes powdered material is compressed with a binding agent under extreme pressure and heated to bind together small pieces of natural material into a larger whole. Always dyed to enhance the color ::: [ Care and Handling: onyx ] - Avoid exposure to extreme light and heat as stones may fade. Clean with warm soapy water and a soft brush or cloth. :::