Sterling silver blue john small cross heart charm bracelet b666 this elegant bracelet is part of our cross heart collection it features a small sized hand carved heart shaped blue johnstone that has been sourced directly from the derbyshire blue john cavern in castleton the individual highly polished blue johnhas been framedwithin a sterling silver mount that embraces the gemstonein a cross design completed with an oval linked lobster clasp all our blue john jewellery is designed and cr