MARCASSITE Boucles d'oreilles, Argent Sterling Marcassite &émail bleu Boucles d'oreilles goutteAbout This Item A lovely pair of marcasite drop earrings crafted from sterling silver, presenting blue enamel and marcasite gemstones. These earrings have a post and butterfly clip and are suitable for pierced ears only. Gemstone Information Marcasite is naturally reflective, making it a cheaper alternative to diamonds. Marcasite is said to have been a favourite of Queen Victoria. Marcasite was said to have been used as mirrors when highly polished.