Whitby jet locket round marcasite silver p2148 this enchanting necklace boasts an unmissable diamond shaped piece of fine whitby jet stone that has been sourced directly from the north east coast of yorkshire the stone is set within the centre of a mesmerising sterling silver locket that has been embellished with dazzling marcasite stones giving the piece a sophisticated sparkle the locket hangs from a delicate sterling silver chain complete with a classic bolt ring clasp for easy wear all