Sub-Chapter200520062007200820092010
Salt (including table salt)$716,653$1,898,915$1,726,887$1,757,319$2,151,327$2,611,664
Unroasted iron pyrites.     $465
Natural graphite.$3,920,197$2,928,557$3,099,628$3,423,453$2,740,100$2,691,539
Natural sands of all kinds$2,163$2,620$45,103$8,021$459$3,604
Quartz (other than natural sands); quartzite$110,851$833,064$814,703$458,309$62,524$162,894
Kaolin and other kaolinic clays, whether or not calcined.   $74  
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$19,018$17,967$5,174$1,652$1,355$17
Chalk.   $50  
Siliceous fossil meals$32,180 $55   
Pumice stone; emery; other natural abrasives$6,416$7,807$20,183$11,945$33,301$127,867
Marble, travertine, ecaussine and other stone $894$60,669$2,152  
Granite, porphyry, basalt, sandstone and other stone$3,860,942$1,816,797$1,346,831$2,191,163$2,051,553$2,124,705
Pebbles, gravel, broken or crushed stone$4,956$16,172$19,737$2,170$3,730$100
Dolomite, whether or not calcined or sintered $3,730    
Natural magnesium carbonate (magnesite) $2,932    
Gypsum; anhydrite; plasters$18  $22$21 
Quicklime, slaked lime and hydraulic lime$75,562$63,729$35  $163
Portland cement, aluminous cement, slag cement$114,278$8,742$1,093 $130$112
Mica, including splitings; mica waste.$310,093$342,587$622,274$594,559$160,748$743,358
Felspar; leucite and nepheline syenite$23,904$44,100 $295$3,543 
Mineral substances$4,262$15,284$2,787$6,376$54,103$27,895
Total$9,201,493$8,003,897$7,765,159$8,457,560$7,262,894$8,494,383