Sterling Silver Blue John Marcasite Leaf Necklace, P2120. This stunning necklace features a hand carved teardrop shaped Blue John gemstone, which has been sourced directly from Castleton, Derbyshire. The gemstones are set within a detailed beaded leaf-like sterling silver frame, accented with sparkling Marcasite gemstones. The pendant is completed with a secure 18 inch sterling silver chain. All our Blue John jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform the natural Blue John stone into these stunning pieces of jewellery. You can find other matching Blue John jewellery online and in stores to complement this necklace. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.