Cobalt and Blue with Aventurina and 24kt Gold Foil Mare Disc 20mm Murano Glass Bead Handmade Lampwork Lampwork Bead for Jewelry Making Murano Glass Bead with 24kt Gold Foil Decoration 20mm Disc (Lentil) with 1mm hole through center A Blend of transparent Cobalt and Light Blue with swirls of Aventurina & Gold.