Sub-Chapter2005200620072008
Salt (including table salt)$23,189,472$19,004,324$20,967,905$23,896,622
Unroasted iron pyrites.$23,118$625$1,987$22
Natural graphite. $1,607 $8,184
Natural sands of all kinds$12,247$41,057$127,916$50,850
Quartz (other than natural sands); quartzite$9,196$45,103$3,582$53
Kaolin and other kaolinic clays, whether or not calcined.  $6,815 
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$9,781$2,015$28,928$154,685
Chalk. $3,366 $634
Natural calcium phosphates  $29$4,942
Natural barium sulphate (barytes)$23$4,132$194,218$71,264
Siliceous fossil meals  $982 
Pumice stone; emery; other natural abrasives$215,521$111,328$198,419$179,065
Slate $1,413$1,017$20,179
Marble, travertine, ecaussine and other stone$2,084,719$2,914,646$3,568,473$6,145,775
Granite, porphyry, basalt, sandstone and other stone$6,941,729$10,744,380$13,862,561$10,845,820
Pebbles, gravel, broken or crushed stone$748,103$1,070,695$1,981,992$2,382,385
Dolomite, whether or not calcined or sintered$374,058$39,860$32,840$15,596
Natural magnesium carbonate (magnesite)$5,726$3$143$3,851
Gypsum; anhydrite; plasters$13,144$20,454$634$8,605
Limestone flux; limestone$11,173$19,476$3,444$5,562
Quicklime, slaked lime and hydraulic lime $15,112$2,002$6,620
Portland cement, aluminous cement, slag cement$5,181,321$3,102,242$7,733,080$9,804,837
Asbestos.   $547
Mica, including splitings; mica waste.$4,002$18$1,405$831
Natural steatite, whether or not roughly trimmed $557$3,137$9,664
Natural borates and concentrates thereof$2,918 $1,468$2
Felspar; leucite and nepheline syenite$9,605,444$11,548,880$8,138,860$12,778,388
Mineral substances$250,652$78,087$204,812$155,671
Total$48,682,347$48,769,380$57,066,649$66,550,654