Silver whitby jet seventeen marcasite medium cross heart necklace p2158 this elegant necklace is part of our cross heart collection it features a medium sized hand carved heart shaped whitby jet stone that has been sourced directly from the north east coast of yorkshire the individual highly polished whitby jethas been framed within a sterling silver seventeen marcasite stoned mount that embraces the gemstonein a cross design itsits gracefully on a 18 sterling silver chain completed b