Sterling Silver Blue John Light Triangle Shape Necklace, P168 This classic long triangle shaped pendant features a hand carved triangular Blue John gemstone which has been sourced directly from Castleton, Derbyshire.  It is presented on a sterling silver 18 inch chain through a bale at the top of the longest point of the pendant. Dimensions: 26mm x 7mm, Blue John; 16mm x 7mm. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection.