Transparent colors of authentic Murano glass surround the distinct colored cores of these rectangular Venetian beads. Soft, rounded edging makes them ideal for use in any piece of jewelry. These great feeling little rectangles are on the chunky side, measuring about 16mm in length by 14mm across and 10mm thick with a 1mm hole running through the center. The color of this one is a base of opaque black with surrounded clear Murano Glass.