BRACELET IN OPAL MURANO GLASS AND HARD STONE, NICKEL FREE SMALL PARTS. Murano glass produced exclusively by the Effetremurano Srl furnace, based in 30141 Murano (VE), Fondamenta S. Giovanni dei Battuti 4 / A. Small parts (chains, cords, closing hooks, rings) galvanized by external companies with nickel free process as per EC directive 94/27.