Sterling Silver Blue John White Mother Of Pearl Double Sided Swivel Fob Necklace, P209. This classic fob swivel necklace is part of the C W Sellors Heritage handmade collection and features double sided pendant set with oval cut locally sourced Blue John and White Mother Of Pearl. The stones are set in a hinged sterling silver pendant, which moves with the wearer and features a unique open chain design, hanging gracefully from an 18 inch sterling silver chain.  All our gemstone 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 gemstone jewellery on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: Blue John and White Mother Of Pearl stones; 18mm x 14mm.