Silver turquoise marcasite shield ring r819 this femininesterling silver turquoise and marcasite ringfeatures a circular central piece of turquoise the december birthstone the striking stone issurrounded by sparklingpieces of marcasite set into a sterling silver shield and embellishinga classic silver band 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 thes