Sterling silver blue john marcasite oval bead edge necklace p2134 this feminine pendant features astriking hand carved blue john stone which has been sourced directly from the treak cliff cavern the stone is surrounded with sparklingmarcasite stones and hangs from a bail which is also embellished with marcasite the pendant sits gracefully on a fluid 18 inchsterling silver chain that is fastened by a classic bolt ring clasp for easy wear all our blue john jewellery is designed and crafte