Handcrafted Murano necklace with vibrant blue and green dichroic glass beads. Bold rectangular focal beads catch the light. Smooth round accent beads add contrast. Elegant, colorful statement for many looks. The handcrafted Murano glass beads shown in your image are produced using a traditional technique called lampworking (perle a lume), where a master glassmaker uses a gas-powered torch to melt glass rods around a central metal mandrel. The "Venetian Foil" Technique The shimmering effect you see is achieved by layering genuine 24-karat gold or sterling silver foil between layers of colored glass.