Sterling Silver Blue John Foxtail Three Stone Cushion Bracelet. B959. This statement bracelet is part of our Foxtail range and features three cushion shaped cabochons of Blue John that have been sourced directly from Treak Cliff Cavern in Castleton. The Blue John is framed by intricately woven foxtail chain. The bracelet is completed by a strong magnet clasp for easy wear. 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 into these stunning pieces of jewellery. You can find other matching Blue John jewellery and other Blue John bracelets on our website.