Sterling Silver Whitby Jet & Marcasite Abstract Butterfly Necklace. P1375. This exquisite necklace features the finest Whitby Jet stone, sourced directly from the north east coast of Yorkshire. The stone is enhanced by a stunning sterling silver butterfly frame embellished by dazzling marcasite stones, bringing an elegant sparkle to the piece. The pendant hangs gracefully from an embellished bail on a delicate sterling silver 18 inch 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 Derbyshire where a team of skilled craftsmen transform the natural Whitby Jet into these stunning 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.