Brooches by John & Dawn Field This sterling silver brooch features an 8mm Aqua Chalcedony gemstone set in a silver bezel. A circle pattern has been deeply embossed into the silver to create a beautiful surface pattern. The brooch is slightly domed in shape, measures 30mm in diameter and has a matt satin silver finish. Our maker's mark 'J&DF' and a '925' sterling silver stamped have been punched into the silver on the back of the brooch. Features Primary Material : Sterling silver Other Materials : Aqua Chalcedony Pin Type : pin Dimensions (mm) : 30 x 30 One of a Kind : No Metal : Sterling silver Gems : Aqua Chalcedony Hallmarked : No Cleaning InstructionsThis sterling silver brooch has been finished with a clear, protective, anti-tarnish coating.