Blue john dragonfly silver necklace p460rthis striking pendant boasts four unmissable tear drop shaped cabochon pieces of rare blue john stone that has been directly sourced from treak cliff cavern in castleton the stone has then been set into an intricately crafted sterling silver dragonfly design that sits gracefully on a delicate sterling silver chainrall our blue john jewellery is designed and crafted within our very own workshops in ashbourne derbyshire where a team of skilled craftsme