Silver blue john ovalspoon pendant necklace p161 this simple and stylish necklace part of our heritage handmade jewellery collection boasts a striking oval shaped cabochon of blue john stone that has been sourced directly from the treak cliff cavern castleton derbyshire the stone is placed within an exquisite sterling silver open detailed design that hangs gracefully from a delicate sterling silver chain complete with a classic bolt ring clasp for easy wear all our blue johnjewellery is