View our vintage style Marcasite brooches at Uneak Boutique. Find a lovely selection of silver marcasite brooches with free delivery and gift packaging. Our range of marcasite brooches features animal and flower designs and has something to suit all tastes and pockets. It is a sophisticated jewellery collection, full of gorgeous marcasite jewellery designs that will not disappoint! All of our marcasite brooches are fantastic quality and are hallmarked 925 sterling silver.