Sterling silver blue john medium winged cross heart necklace p1856 this elegant necklace is part of our cross heart collection it features a medium sized hand carved heart shaped blue john stone which has been sourced directly from the derbyshire blue john cavern in castleton the individual highly polished blue johnhas been framed within a sterling silver mount that embraces the gemstonein a winged cross design itsits gracefully on a 18 sterling silver chain completed by a classic bolt