Sterling Silver Blue John Marcasite Four Stone House Style Butterfly Brooch, M326. This stunning butterfly brooch by C W Sellors is hand made in sterling silver and features four beautifully hand carved marquise shaped Blue John gemstones set into the butterfly\'s wings, which are surrounded in a silver frame accented with sparkling Marcasite gemstones The Blue John stone has been directly sourced from Castleton, Derbyshire and is one of C W Sellors signature stones.  An exquisite and eye catching piece which would make a beautiful gift.  All our Blue John jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform natural pieces of Blue John into these stunning pieces of jewellery. You can find other matching Blue John jewellery on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions 24mm x 35mm