Beaded Murano necklace. Pure Gold/Silberfoil flakes over an onyx black center, with an adventurine twist then surrounded with the finest Murano crystal. The necklace has an extender chain, allowing you to wear it from about 16in.-20in. (42-50cm). Gems2Behold specializes in wholesale beads including Murano glass beads, Venetian beads, Swarovski crystals, glass beads and jewelry supplies for jewelry making.