Sterling Silver Blue John Marcasite Oval Bead Edge Necklace. P2134. This feminine pendant features a striking hand carved Blue John stone, which has been sourced directly from the Treak Cliff Cavern. The stone is surrounded with sparkling marcasite stones and hangs from a bail which is also embellished with marcasite. The pendant sits gracefully on a fluid 18 inch sterling silver chain that is fastened by a classic bolt ring clasp for easy wear. All our Blue John jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen turn the raw Blue John stone into these stunning pieces of jewellery. You can find other matching Blue John jewellery and other Blue John necklaces on our website. All articles purchased from CW Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection.