Sub-Chapter200620082009
Salt (including table salt)  $19,871
Natural sands of all kinds$5,052$19,150$10,575
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...  $2
Siliceous fossil meals  $1
Pumice stone; emery; other natural abrasives  $1
Granite, porphyry, basalt, sandstone and other stone  $3
Pebbles, gravel, broken or crushed stone$535 $120
Limestone flux; limestone$1,020 $2
Portland cement, aluminous cement, slag cement $94,946 
Mica, including splitings; mica waste. $25,865$18,080
Mineral substances  $1
Total$6,607$139,961$48,656