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

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

Natural graphite

Natural sands of all kinds, whether or not coloured, other than metal-bearing sands of Chapter|26

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

Kaolin and other kaolinic clays, whether or not calcined

Other clays (not including expanded clays of heading|6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths

Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk

Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading|2816

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

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

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

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

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

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

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

Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading|2825

Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers

Asbestos

Mica, including splittings; mica waste

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

Feldspar; leucite; nepheline and nepheline syenite; fluorspar

Mineral substances not elsewhere specified or included