Section 05 Mineral products 25 Salt, sulphur; earths and stone; plastering materials, lirne and cement 25 16 Granite, porphyry, etc, and other monumental or building stone 25 16 22 Sandstone, merely cut into a square or rectangular shape 25 16 22 00 Sandstone, merely cut into a square or rectangular shape Commodity Code Description 25 16 22 00 00 Sandstone, merely cut into a square or rectangular shape