Sub-Chapter20052006
Salt (including table salt) $404
Natural sands of all kinds$20 
Kaolin and other kaolinic clays, whether or not calcined.$9,740 
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$9,444$1,952
Slate$2,092$1,316
Marble, travertine, ecaussine and other stone$17,641 
Granite, porphyry, basalt, sandstone and other stone$268,015$56,481
Pebbles, gravel, broken or crushed stone$1,159$2,805
Gypsum; anhydrite; plasters$2,322$2,009
Portland cement, aluminous cement, slag cement$1,308$38
Mineral substances$1,171,019$403,698
Total$1,482,760$468,703