Sterling Silver Blue Topaz Pendant - in Sterling Silver - Rhodium Finished - Ships with 16-18 Inch Adjustable Chain - 7/16 inch wide x 5/8 inch long ::: [ Potential Enhancement Methods: blue 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: blue topaz ] - Clean with warm soapy water and a soft brush or cloth. :::