Silver Blue John Marcasite Ribbon Edge Pendant Necklace. P2135. This feminine necklace boasts a striking cabochon of rare Blue John stone that has been directly sourced from Treak Cliff Cavern in Castleton. The stone has been placed in the centre of an intricately crafted sterling silver setting which showcases an exquisite twisted ribbon detailing embellished by sparkling marcasite stones. The pendant hangs gracefully from a fluid 18 inch sterling silver chain complete with 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. Silver Blue John Marcasite Ribbon Edge Pendant Necklace