Explanatory notes
… mass, or in the form of blocks, slabs or sheets obtained by splitting, rough cutting or squaring or squaring by sawing. … cut otherwise than rectangular (including square), ground, polished, chamfered, drilled, varnished, enamelled, moulded … coloured ( heading 25.14 ). (b) Mosaic cubes and the like, artificially coloured granules, chippings and powder …