Section 05 MINERAL PRODUCTS 25 SALT;SULPHUR;EARTHS AND STONE;PLASTERING MINERALS, LIME AND CEMENT 25 05 NATURAL SANDS OF ALL KINDS, WHETHER OR NOT COLOURED, OTHER THAN 25 05 10 SILICA SANDS AND QUARTZ SANDS Commodity Code Description 25 05 10 00 SILICA SANDS AND QUARTZ SANDS