Earrings by Alberto Galleti. The BUTTERFLY Moonstone Bead Hoop Earrings are made of lava beads and a moonstone butterfly. The earrings fasten with a hook closure and are for pierced ears only. Do not bring in contact with perfume and alcohol. Product Details - Handmade -18 karat gold plated on stamped 925 silver - For pierced ears - Nickel Free - Hook closure