Sterling Silver Whitby Jet and Marcasite Square Framed Necklace P915 This sterling silver, Marcasite and Whitby Jet square pendant is hand crafted within our  workshops by our highly skilled jewellers. This piece is a framed chunky pendant that comes with a 18 inch sterling silver chain.  A very classic look with added sparkle from the Marcasite gemstones.  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 Whiby 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. Dimensions: 14mm x 14mm, Whitby Jet; 9mm x 9mm.