Definition

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Concept Hierarchy

Current Concept

Narrower Concepts 29

Salt (including table salt and denatured salt); pure sodium chloride whether or not in aqueous solution; sea water
2501
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Iron pyrites; unroasted
2502
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Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur
2503
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Graphite; natural
2504
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Sands of all kinds; natural, whether or not coloured, other than metal-bearing sands of chapter 26
2505
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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
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Kaolin and other kaolinic clays; whether or not calcined
2507
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Clays; (not including expanded clays of heading no. 6806), andalusite kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earth
2508
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Chalk
2509
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Natural calcium phosphates; natural aluminium calcium phosphates and phosphatic chalk
2510
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Natural barium sulphate (barytes); natural barium carbonate, (witherite) whether or not calcined, other than barium oxide of heading no. 2816
2511
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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
2512
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Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat treated
2513
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Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
2514
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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
2515
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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
2516
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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
2517
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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
2518
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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
2519
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Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate), coloured or not, with or without small quantities of accelerators or retarders
2520
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Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
2521
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Quicklime, slaked lime and hydraulic lime; other than calcium oxide and hydroxide of heading no. 2825
2522
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Portland cement, aluminous cement (ciment fondu), slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers
2523
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Asbestos
2524
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Mica, including splittings; mica waste
2525
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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
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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
2528
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Feldspar; leucite; nepheline and nepheline syenite; fluorspar
2529
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Mineral substances not elsewhere specified or included
2530
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Notes

History Notes

Concept Information

IRI

https://glossary.bonsai.uno/HS-2017/25

Notation

25

Status

Accepted