Sterling silver blue john foxtail 25x20mm stone oval bracelet b976 this statement bracelet is part of our foxtail range and features a stunning oval shaped cabochon of rare blue john stone sourced directly from the treak cliff cavern in castleton the blue john stone is framed by intricately wovenfoxtail 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 te