| 2501 | Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqueous solution or containing added anti-caking or free-flowing agents; sea water |
| 2502 | Unroasted iron pyrites |
| 2503 | Sulphur of all kinds, other than sublimed sulphur, precipitated sulphur and colloidal sulphur |
| 2504 | Natural graphite |
| 2505 | Natural sands of all kinds, whether or not coloured, other than metal-bearing sands of Chapter|26 |
| 2506 | Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape |
| 2507 | Kaolin and other kaolinic clays, whether or not calcined |
| 2508 | Other clays (not including expanded clays of heading|6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths |
| 2509 | Chalk |
| 2510 | Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk |
| 2511 | Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading|2816 |
| 2512 | Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1|or less |
| 2513 | Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated |
| 2514 | Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape |
| 2515 | Marble, travertine, ecaussine and other calcareous monumental or building stone of an apparent specific gravity of 2,5|or more, and alabaster, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape |
| 2516 | Granite, porphyry, basalt, sandstone and other monumental or building stone, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape |
| 2517 | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated; macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules, chippings and powder, of stones of heading|2515|or 2516, whether or not heat-treated |
| 2518 | Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape |
| 2519 | Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure |
| 2520 | Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate) whether or not coloured, with or without small quantities of accelerators or retarders |
| 2521 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement |
| 2522 | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading|2825 |
| 2523 | Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers |
| 2524 | Asbestos |
| 2525 | Mica, including splittings; mica waste |
| 2526 | Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc |
| 2528 | Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85|% of H@3BO@3|calculated on the dry weight |
| 2529 | Feldspar; leucite; nepheline and nepheline syenite; fluorspar |
| 2530 | Mineral substances not elsewhere specified or included |