Harmonized System
Section XIII > Chapter 68 > Heading 6802 > 6802.9 > 6802.91
Marble, travertine and alabaster
Section XIII > Chapter 68 > Heading 6802 > 6802.9 > 6802.92
Other calcareous stone
Section XIII > Chapter 68 > Heading 6803
Worked slate and articles of slate or of agglomerated slate.
Section XIII > Chapter 68 > Heading 6803 > 6803.00
Worked slate and articles of slate or of agglomerated slate
Section XIII > Chapter 68 > Heading 6804
Millstones, grindstones, grinding wheels and the like, without frameworks, for grinding, sharpening, polishing, trueing or cutting, hand sharpening or polishing stones, and parts thereof, of natural stone, of agglomerated natural or artificial abrasives, or of ceramics, with or without parts of other materials.
Section XIII > Chapter 68 > Heading 6804 > 6804.2
Other millstones, grindstones, grinding wheels and the like
Section XIII > Chapter 68 > Heading 6804 > 6804.10
Millstones and grindstones for milling, grinding or pulping