Section 05 MINERAL PRODUCTS 25 Salt; sulphur; earths and stone; plastering materials, lime and cement 25 19 Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) 25 19 10 25 19 10 00 Commodity Code Description 25 19 10 00 00 - Natural magnesium carbonate (magnesite)