Section 05 MINERAL PRODUCTS 25 Salt; sulphur; earths and stone; plastering materials, lime and cement 25 15 Marble, travertine, ecaussine and other calcareous monumental or building stone 25 15 12 25 15 12 00 Commodity Code Description 25 15 12 00 00 -- Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including