Salt, sulphur, earths, stone, plastering materials, lime and cement

Heading 2501

Salt (including table salt and denatured salt); pure sodium chloride whether or not in aqueous solution; sea water

Heading 2502

Iron pyrites; unroasted

Heading 2503

Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur

Heading 2504

Graphite; natural

Heading 2505

Sands of all kinds; natural, whether or not coloured, other than metal-bearing sands of chapter 26

Heading 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

Heading 2507

Kaolin and other kaolinic clays; whether or not calcined

Heading 2508

Clays; (not including expanded clays of heading no. 6806), andalusite kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earth

Heading 2509

Chalk

Heading 2510

Natural calcium phosphates; natural aluminium calcium phosphates and phosphatic chalk

Heading 2511

Natural barium sulphate (barytes); natural barium carbonate, (witherite) whether or not calcined, other than barium oxide of heading no. 2816

Heading 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

Heading 2513

Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat treated

Heading 2514

Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape

Heading 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

Heading 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

Heading 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

Heading 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

Heading 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

Heading 2520

Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate), coloured or not, with or without small quantities of accelerators or retarders

Heading 2521

Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement

Heading 2522

Quicklime, slaked lime and hydraulic lime; other than calcium oxide and hydroxide of heading no. 2825

Heading 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

Heading 2524

Asbestos

Heading 2525

Mica, including splittings; mica waste

Heading 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

Heading 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

Heading 2529

Feldspar; leucite; nepheline and nepheline syenite; fluorspar

Heading 2530

Mineral substances not elsewhere specified or included