Sterling Silver Blue John Whitby Jet Double Sided Fob Necklace. p831. A large, stylish double sided pendant of Whitby Jet set and Derbyshire Blue John sterling silver. Hand carved to an oblong shape, the clean cut edges and mirror like shine make this pendant contemporary and eye-catching. Presented on an 18 inch sterling silver chain through a fixed bail at the top.  All our Blue John and Whitby Jet jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform the natural gemstones into these stunning pieces of jewellery. You can find other matching jewellery and necklaces on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.  Dimensions: 28mm x 10mm, Whitby Jet and Blue John; 20mm x 8mm.