Sterling Silver Sparkle-Cut Simulated Onyx Pendant - in Sterling Silver - Gift ready jewelry box included - Measures 38.5mm long - Length of Item: 38.5 mm - Finish: Polished - Feature: Solid - - This Item Does Not Ship With a Chain ::: [ 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. :::