Sterling Silver Simulated Onyx Earrings - in Sterling Silver - Product Attributes: - Shepherd hook - Black Onyx - Gift ready jewelry box included - Measures 31x7mm Wide - Width of Item: 7 mm - Length of Item: 31 mm - Earring Closure: French Wire - Earring Type: Drop & Dangle - Finish: Polished - Feature: Left and Right - ::: [ 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. :::