Broken or crushed stone, for concrete aggregates, for road metalling or for railway or other ballast, whether or not heat-treated (excl. pebbles, gravel, flint and shingle, broken or crushed dolomite and limestone flux)

Macadam of slag, dross or similar industrial waste, whether or not incorporating pebbles, gravel, shingle and flint for concrete aggregates, for road metalling or for railway or other ballast

Tarred macadam

Marble granules, chippings and powder, whether or not heat-treated

Granules, chippings and powder, whether or not heat-treated, of travertine, ecaussine, alabaster, basalt, granite, sandstone, porphyry, syenite, lava, gneiss, trachyte and other rocks of heading 2515 and 2516 (excl. marble)

Crude dolomite, not calcined or not sintered, incl. dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular "incl. square" shape (excl. broken or crushed dolomite for concrete aggregates, road metalling or railway or other ballast)

Calcined or sintered dolomite (excl. broken or crushed dolomite for concrete aggregates, road metalling or railway or other ballast)

Dolomite ramming mix

Natural magnesium carbonate "magnesite

Magnesium oxide, whether or not pure (excl. calcined natural magnesium carbonate)

Dead-burned "sintered" magnesia, whether or not containing small quantities of other oxides added before sintering

Fused magnesia

Gypsum; anhydrite

Plasters consisting of calcined gypsum or calcium sulphate, whether or not coloured, with or without small quantities of accelerators or retarders

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