Silver turquoise marcasite round ring r821 this feminine sterling silver turquoise and marcasite ringfeatures a circular central piece of turquoise stone the december birthstone the striking stone issurrounded by intricate petals with tiny pieces of marcasite at their hearts all our turquoise jewellery is designed and crafted within our very own workshops in ashbourne derbyshire where a team of skilled craftsmen turn the raw turquoise stone into these stunning pieces of jewellery you