This class includes:
——quarrying, rough trimming and sawing of monumental and building stone such as marble, granite, sandstone etc.
——quarrying, crushing and breaking of limestone
——mining of gypsum and anhydrite
——mining of chalk and uncalcined dolomite
——extraction and dredging of industrial sand, sand for construction and gravel
——breaking and crushing of stone and gravel
——quarrying of sand
——mining of clays, refractory clays and kaolin

This class excludes:
——mining of bituminous sand, see 0610
——mining of chemical and fertilizer minerals, see 0891
——production of calcined dolomite, see 2394
——cutting, shaping and finishing of stone outside quarries, see 2396