Section 13 ARTICLES OF STONE, PLASTER, CEMENT, ASBESTOS, MICA OR SIMILAR MATERIAL S; CERAMIC PRODUCTS; GLASS AND GLASSWARE 68 Articles of stone, plaster, cement, asbestos, mica or similar materials 68 04 Millstones, grindstones, grinding wheels and the like, without frameworks, for g 68 04 10 Commodity Code Description 68 04 10 00