| 2501 | Salt (including table salt and denatured salt); pure sodium chloride whether or not in aqueous solution; sea water |
| 2502 | Iron pyrites; unroasted |
| 2503 | Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur |
| 2504 | Graphite; natural |
| 2505 | Sands of all kinds; natural, 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 | Clays; (not including expanded clays of heading no. 6806), andalusite kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earth |
| 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 no. 2816 |
| 2512 | Siliceous fossil meals (e.g. 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 stone; of an apparent specific gravity of less than 2.5, alabaster, whether cut by sawing etc, into blocks, slabs of a rectangular (square) shape |
| 2516 | Granite, porphyry, basalt, sandstone, other monumental and building stone, whether or not roughly trimmed, cut, by sawing etc, into blocks or slabs of a rectangular (including square) shape |
| 2517 | Pebbles, gravel, crushed stone for concrete aggregates for road or railway ballast, shingle or flint; macadam of slag, dross etc tarred granules, chippings, powder of stones of heading no. 2515 and 2516 |
| 2518 | Dolomite, whether or not calcined or sintered; including dolomite roughly trimmed, or merely cut by sawing or otherwise into blocks or slabs of rectangular (including square) shape; dolomite ramming mix |
| 2519 | Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; magnesium oxide, pure or not |
| 2520 | Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate), coloured or not, 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 no. 2825 |
| 2523 | Portland cement, aluminous cement (ciment fondu), 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 H3BO3 calculated on the dry weight |
| 2529 | Feldspar; leucite; nepheline and nepheline syenite; fluorspar |
| 2530 | Mineral substances not elsewhere specified or included |
