Section 05 Mineral products 25 Salt, sulphur; earths and stone; plastering materials, lirne and cement 25 15 Marble, travertine, and other calcareous monumental or building stone Commodity Code Description 25 15 11 Marble and travertine crude or roughly trimmed 25 15 12 Marble and travertine merely cut into a square or rectangular shape 25 15 20 Ecaussine and other calcarcous building stone; alabaster