Sterling Silver Whitby Jet Marcasite Pear Drop Oval Chain Necklace, N915. This Whitby Jet necklace has been made by highly skilled craftsmen in our workshop.The jet has been locally sourced and hand cut to show a stunning overall finish, it\'s beautifully made and particularly glamorous.This product is made using sterling silver and marcasite. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection.