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:

• 2501 00 100

  Sea water and salt liquors
  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:
  

• 2501 00 310

  For chemical transformation (separation of sodium from chlorine) for the manufacture of other products
  Other:
  

• 2501 00 510

  Denatured or for industrial uses (including refining) other than the preservation or preparation of foodstuffs for human or animal consumption
  Other:
  

• 2501 00 91

  Salt suitable for human consumption:

• 2501 00 911

  Iodinated

• 2501 00 919

  Other

Unroasted iron pyrites

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

• 2503 00 100

  Crude or unrefined sulphur

• 2503 00 900

  Other

Natural graphite:

• 2504 10 000

  In powder or in flakes

• 2504 90 000

  Other

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

• 2505 10 000

  Silica sands and quartz sands

• 2505 90 000

  Other

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:

• 2506 10 000

  Quartz

• 2506 20 000

  Quartzite

Kaolin and other kaolinic clays, whether or not calcined:

• 2507 00 200

  Kaolin

• 2507 00 800

  Other kaolinic clays

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

• 2508 10 000

  Bentonite

• 2508 30 000

  Fireclay

• 2508 40 000

  Other clays

• 2508 50 000

  Andalusite, kyanite and sillimanite

• 2508 60 000

  Mullite

• 2508 70 000

  Chamotte or dinas earths

Chalk

Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk:

• 2510 10 000

  Unground

• 2510 20 000

  Ground

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

• 2511 10 000

  Natural barium sulphate (baryte)

• 2511 20 000

  Natural barium carbonate (witherite)

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

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

• 2513 10 000

  Pumice stone

• 2513 20 000

  Emery, natural corundum, natural garnet and other natural abrasives

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

Marble, travertine or calcareous tuff, 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:
Marble and travertine or calcareous tuff :

• 2515 11 000

  Crude or roughly trimmed

• 2515 12 000

  Merely cut by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape

• 2515 20 000

  Ecaussine and other calcareous monumental or building stone; alabaster

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:
Granite:

• 2516 11 000

  Crude or roughly trimmed

• 2516 12 000

  Merely cut by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape

• 2516 20 000

  Sandstone

• 2516 90 000

  Other monumental or building stone

Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle, boulders 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:

• 2517 10

  Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle, boulders and flint, whether or not heat-treated:

• 2517 10 100

  Pebbles, gravel, broken stone

• 2517 10 200

  Limestone, dolomite and other calcareous stone, broken or crushed

• 2517 10 800

  Other

• 2517 20 000

  Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in subheading 2517 10

• 2517 30 000

  Tarred macadam
  Granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated:
  

• 2517 41 000

  Of marble

• 2517 49 000

  Other

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:

• 2518 10 000

  Dolomite, not calcined or sintered

• 2518 20 000

  Calcined or sintered dolomite

• 2518 30 000

  Dolomite ramming mix

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:

• 2519 10 000

  Natural magnesium carbonate (magnesite)

• 2519 90

  Other:

• 2519 90 100

  Magnesium oxide, other than calcined natural magnesium carbonate

• 2519 90 300

  Dead-burned (sintered) magnesia

• 2519 90 900

  Other

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

• 2520 10 000

  Gypsum; anhydrite

• 2520 20 000

  Plasters

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

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

• 2522 10 000

  Quicklime

• 2522 20 000

  Slaked lime

• 2522 30 000

  Hydraulic lime

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

• 2523 10 000

  Cement clinkers
  Portland cement:
  

• 2523 21 000

  White cement, whether or not artificially coloured

• 2523 29 000

  Other

• 2523 30 000

  Aluminous cement

• 2523 90 000

  Other hydraulic cements

Asbestos:

• 2524 10 000

  Crocidolite

• 2524 90 000

  Other

Mica, including splittings; mica waste:

• 2525 10 000

  Crude mica and mica rifted into sheets or splittings

• 2525 20 000

  Mica powder

• 2525 30 000

  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:

• 2526 10 000

  Not crushed, not powdered

• 2526 20 000

  Crushed or powdered

--

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

Feldspar; leucite; nepheline and nepheline syenite; fluorspar:

• 2529 10 000

  Feldspar
  Fluorspar:
  

• 2529 21 000

  Containing by weight 97 % or less of calcium fluoride

• 2529 22 000

  Containing by weight more than 97 % of calcium fluoride

• 2529 30 000

  Leucite; nepheline and nepheline syenite

Mineral substances not elsewhere specified or included

• 2530 10 000

  Vermiculite, perlite and chlorites, unexpanded

• 2530 20 000

  Kieserite, epsomite (natural magnesium sulphates)

• 2530 90 000

  Other