| Heading Codes | Heading Description |
| 2501 | HS Code of 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; Seawater |
| 2502 | HS Codes of Unroasted iron pyrites |
| 2503 | HS Codes of Sulphur of all kinds, other than sub-limited sulphur, precipitated sulphur and colloidal sulphur |
| 2504 | HS Codes of Natural graphite |
| 2505 | HS Codes of Natural sands of all kinds, whether or not coloured, other than metal-bearing sands of Chapter 26 |
| 2506 | HS Codes of 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 | HS Codes of Kaolin and other kaolinic clays, whether or not calcined |
| 2508 | HS Codes of Other clays (not including expanded clays of heading 6806), andalusite, kyanite, and sillimanite, whether or not calcined; mullite; chamotte or dinas earth |
| 2509 | HS Codes of Chalk |
| 2510 | HS Codes of Natural calcium phosphates, natural aluminium calcium phosphates, and phosphatic chalk |
| 2511 | HS Codes of Natural barium sulphate (barytes); Natural barium carbonate (witherite), whether or not calcined, other than barium oxide of Heading 2816 |
| 2512 | HS Codes of Siliceous fossil meals (for example, kieselguhr, tripolite, and diatomite) and similar siliceous earth, whether or not calcined, of an apparent specific gravity of 1 or less |
| 2513 | HS Codes of Pumice stone; emery; natural corundum, natural garnet, and other natural abrasives, whether or not heat-treated |
| 2514 | HS Codes of Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape |
| 2515 | HS Codes of 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 |
| 2516 | HS Codes of 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 | HS Codes of 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 |
| 2518 | HS Codes of 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); dolomite ramming Mix |
| 2519 | HS Codes of Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxides, whether or not pure |
| 2520 | HS Codes of Gypsum; Anhydrite; Plasters (consisting of calcined gypsum or calcium sulphate) whether or not coloured, with or without small quantities of accelerates or retarders |
| 2521 | HS Codes of Limestone flux; Limestone and other calcareous stones, of a kind used for the manufacture of lime or cement |
| 2522 | HS Codes of Quicklime, slaked lime, and hydraulic lime, other than calcium oxide and hydroxide of heading 2825 |
| 2523 | HS Codes of Portland cement, aluminous cement (“cement fondu”), slag cement, super sulphate cement hs code, and similar hydraulic cement, whether or not coloured or in the form of clinkers (cement HS Code) |
| 2524 | HS Code of Asbestos sheets, Asbestos in rock form |
| 2525 | HS Code of Mica, including splittings; mica waste |
| 2526 | HS Codes of Natural steatite, whether or not roughly trimmed or merely cut, by sewing or otherwise, into blocks or slabs of a rectangular (including square) shape; Talc |
| 2528 | HS Codes of 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 | HS Codes of Felspar; Nepheline and nepheline syenite; Leucite; Fluorspar |
| 2530 | HS Codes of Mineral substances not elsewhere specified or included |
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