These earrings are dark blue studs with a Montana crystal type. They're made of brass, plated in Rhodium, and are the perfect gift for First Communion. — Oliver Weber is a Austrian jewelry designer who specializes in delicate and feminine designs. His earrings are a perfect gift for someone special, like your daughter who's celebrating her First Communion. The material is brass with a dark blue crystal, and the earrings are studs and can be worn with any outfit. — The Oliver Weber Collection is a perfect choice for anyone who is interested in buying a pair of earrings.