Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 68 Articles of stone, plaster, cement, asbestos, mica or similar materials 68 04 Millstones,grindstones and like,without framework,for grinding etc,of natural stone etc Commodity Code Description 68 04 10 Millstones and grindstones for milling, grinding or pulping 68 04 21 Of agglomerated synthetic or natural diamond 68 04 22 Of other agglomerated abrasives or of ceramics 68 04 23 Of natural stone 68 04 30 Hand sharpening or polishing stones
