Sterling Silver Blue John Long Tapered Drop Hook Earrings. E840. These sleek and contemporary earrings feature hand carved Blue John which has been sourced directly from Castleton, Derbyshire. The cabochons are framed in a smooth, highly polished sterling silver drop and finished with sterling silver hook fittings. All our Blue John jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform natural pieces of Blue John into these stunning pieces of jewellery. You can find other matching Blue John jewellery on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: 50mm x 9mm, Blue John: 8mm x 6mm.