Sterling Silver Whitby Jet Marcasite Abstract Marquise Stud Earrings, E1695.  These classic Whitby Jet and marcasite studs are hand crafted within our workshops by our highly skilled jewellers. Perfectly finished with a vintage look and added sparkle from the Marcasite. Secured by a silver post and butterfly back fastening. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection.