Sub-Chapter20052006200720082009
Salt (including table salt)$13,941$11,736$15,191$61,857$15,403
Natural graphite.  $1,374  
Natural sands of all kinds$100,984$6,593$144,410$141,076$17,789
Quartz (other than natural sands); quartzite    $12,362
Kaolin and other kaolinic clays, whether or not calcined.  $1,003  
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...  $1,374$11,305$40,617
Chalk.  $50$55$70,971
Natural calcium phosphates    $12,582
Natural barium sulphate (barytes)   $3,571 
Siliceous fossil meals $2,908   
Pumice stone; emery; other natural abrasives$1,413  $1,404 
Slate $2,006  $1,885
Marble, travertine, ecaussine and other stone$142,731 $2,741$39,413$38,188
Granite, porphyry, basalt, sandstone and other stone$12,844 $16,661 $20,604
Pebbles, gravel, broken or crushed stone$2,509$274,808$23,252$40,589$31,667
Dolomite, whether or not calcined or sintered$1,612    
Natural magnesium carbonate (magnesite)    $52,010
Gypsum; anhydrite; plasters$4,181,523$2,511,738$2,913,637$1,959,340$1,883,499
Limestone flux; limestone$4,734$258,965$3,066$4,011$4,533
Quicklime, slaked lime and hydraulic lime  $11,823  
Portland cement, aluminous cement, slag cement$3,395,152$2,500,126$2,280,418$1,739,380$1,784,405
Mica, including splitings; mica waste.$750    
Natural borates and concentrates thereof$5,215  $15,551 
Felspar; leucite and nepheline syenite    $3,022
Mineral substances$5,024 $27,409$1,482$22,431
Total$7,868,432$5,568,880$5,442,409$4,019,034$4,011,968