2370 Cutting, shaping and finishing of stone

237011 Marble, travertine, alabaster, worked, and articles thereof (except setts, curbstones, flagstones, tiles, cubes and similar articles)/ artificially coloured granules, chippings and powder of marble, travertine and alabaster 237012 Other worked ornamental or building stone and articles thereof/ other artificially coloured granules and powder of natural stone/ articles of agglomerated slate