Sterling Silver Whitby Jet Ribbed Small Oval Necklace, P243 This oval Whitby Jet and sterling silver pendant is hand polished smoothly so hat this entire piece has a mirror shine. In Medieval times, Whitby Jet was used as small mirrors before man invented the silvering process which is used in making mirrors today. The Whitby Jet gemstone is set into the precious metal with a slight rib running around the edge of the piece. This piece is supplied on an 18 inch sterling silver chain. All our Whitby Jet jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform natural pieces of Whitby Jet into these stylish pieces of jewellery. You can find other matching Whitby Jet jewellery on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions 8mm x 6mm