Blue john oval foxtail chain silver bracelet b565 this exquisite bracelet comes from our foxtail collection and boasts a large oval piece of blue john stone that has been sourced directly from treak cliff cavern in castleton the blue john stone is set onto a sterling silver bangle and is surrounded by the unmissable foxtail detailing the bracelet is completed by a classic lobster clasp for easy wear all our blue john jewellery is designed and crafted within our very own workshops in ashbour