| 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 (inc |
| 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 n |
| 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 |
