Section 05 MINERAL PRODUCTS 25 SALT;SULPHUR;EARTHS AND STONE;PLASTERING MINERALS, LIME AND CEMENT 25 11 NATURAL BARIUM SULPHATE (BARYTES); NATURAL BARIUM CARBONATE (WITHERITE), 25 11 20 NATURAL BARIUM CARBONATE (WITHERITE) Commodity Code Description 25 11 20 00 NATURAL BARIUM CARBONATE (WITHERITE)