Silver Blue John Marcasite Round Ring. R747. This petite, feminine Sterling Silver, Blue John and Marcasite ring features a circular central piece of Blue John that has been sourced directly from Treak Cliff Cavern in Castleton. The striking stone is surrounded by sparkling pieces of Marcasite and set on a classic silver band. 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 rings online and instore. Silver Blue John Marcasite Round Ring. Blue John 3mm diameter, top of ring including Marcasite 9mm diameter.
