Blue john marquise beaded edge silver earrings e1616rthese elegant drop earrings boast two stunning marquise style pieces of rare blue john stone that has been sourced directly from treak cliff cavern in castleton the tear drop shaped stone is set on the end of the exquisite sterling mount which hangs gracefully from the lobe by the classic hook fastenings the earrings have then been embellished by beaded detailing around the edge so the pieces catch the light perfectlyrall our blue john je