Sterling Silver Whitby Jet Marcasite Round Spiral Necklace, P2126. This vintage style pendant features a highly polished cabochon of the finest Whitby Jet stone, sourced directly from the North East coast of Yorkshire. The stone is set beneath a sterling silver spiral design which is embellished with marcasite gemstones, giving the piece a sophisticated sparkle. The pendant hangs from an 18 inch long sterling silver chain complete with a classic bolt ring clasp for easy wear. 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 Jet jewellery to complement this necklace online and in stores.  All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: Full length including the bail: 24mm, Whitby Jet: 14mm x 14mm.