Silver Blue John Bottle Top Pendant Necklace. P010. This classic necklace is part of our Heritage handmade jewellery collection and boasts a striking Blue John stone that has been sourced directly from Treak Cliff Cavern in Castleton. The stone is framed within a highly polished Sterling Silver setting. The pendant sits gracefully on a fluid Sterling Silver chain that is completed by a classic bolt ring clasp for easy wear. All our Blue John jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen turn the raw Blue John stone into these stunning pieces of jewellery. You can find other matching Blue John jewellery and other Blue John necklaces on our website.