This authentic Murano Glass bead features 24kt gold foil in the Ca'd'Oro style. This style of bead is also sometimes called Oro Rotto in Italian or cracked gold. The slightly puffy disc shape is often referred to as a Lentil. This bead measures approximately 14mm in diameter with a 1mm hole running through the center. Works wonderfully as an earring. The color of this one is Cobalt Blue Murano glass.