Sterling Silver Whitby Jet Marcasite Small Cross Heart Charm. G780. This elegant charm is part of our Cross Heart collection. It features a hand carved heart shaped Whitby Jet stone that has been sourced directly from the North East Coast of Yorkshire. The individual highly polished Whitby Jet has been framed within a sterling silver marcasite stoned mount, that embraces the gemstone in a cross design. The beautiful charm fastens with a lobster clasp. All our Whitby Jet jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform the natural Whitby Jet stone into these stunning pieces of jewellery. You can find other matching Whitby Jet jewellery on our website and in store. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.