Section 13 ARTICLES OF STONE, PLASTER,CEMENT,ASBESTOS, MICA OR SIMILAR MATERIALS; CERAMIC PRODUCTS; GLASS AND GLASSWARE 70 Glass and Glassware. 70 18 GLASS SMALLWARES, ETC; GLASS MICROSPHERES =<1MM IN DIAMETER 70 18 10 Glass beads, imitation pearls, imitation precious or semi-precious stones and si Commodity Code Description 70 18 10 00 Glass beads, imitation pearls, imitation precious or semi-precious stones and si