Section 05 Mineral products 25 Salt; sulphur; earths and stone; plastering materials, lime and cement 25 15 Marble, travertine,etc and other calcareous monumental or building stone Commodity Code Description 25 15 11 Crude or roughly trimmed 25 15 12 Merly cut, by sawing or otherwise, into blocks or slabs of a rectangular (including .... 25 15 20 Ecaussine and other calcareous monumental or building stone; alabaster