6802.91.20

Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the like, of natural stone (including slate), whether or not on a backing; artificially colored granules, chippings and powder, of natural stone (including slate): Other: Marble, travertine and alabaster: Travertine: Articles of subheading 6802.21.10 that have been dressed or polished, but not further worked