Silver blue john bead end torc twist bangle b724 this elegant classic solid sterling silver torc stylebangleis part of our heritage handmade jewellery collection and boasts twist detailing and stunning hand carvedblue john beads mounted at each end the stonehasbeen sourced directly from treak cliff cavern in castleton all our blue john jewellery is designed and crafted within our very own workshops in ashbourne derbyshire where a team of skilled craftsmen turn the raw blue john stone