Sterling Silver Blue John Marcasite House Style Dragonfly Brooch. M328. Complementing our sterling silver and enamel designs, the introduction of sparkling, natural marcasite stones provides a classic and elegant way to accessorise any outfit. With a certain Art Deco feel, accompanied by Derbyshire Blue John and Garnets, the collection features wonderful insect earrings, brooches, rings and pendants. This eye catching dragonfly brooch is hand made in Sterling Silver and features a beautifully hand carved Blue John gemstone set in the body and sparkling Marcasite gemstones set in the wings and tail. The Blue John stone has been directly sourced from Castleton, Derbyshire. 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: 30mm x 30mm.