Salt & pure sodium chloride, whether or not in aqueous solution or cont. added anticaking or free-flowing agents; sea waterSalt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqueous solution or containing added anti-caking or free-flowing agents; sea water
t
Free
26%
Iron pyrites, unroastedUnroasted iron pyrites
t
Free
Free
Sulfur of all kinds, other than sublimed, precipitated and colloidal sulfurCrude or unrefined sulfur (Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur)
t
-
-
Sulfur of all kinds, other than sublimed, precipitated and colloidal sulfurOther (Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur)
t
-
-
Natural graphite, crystalline flake (not including flake dust)Crystalline flake (not including flake dust) (In powder or in flakes:)
kg
Free
3.6¢/kg
Natural graphite in powder or flakes (other than crystalline flake)Other (In powder or in flakes:)
kg
Free
10%
Natural graphite, other than in powder or in flakesOther (Natural graphite:)
kg
Free
10%
Natural silica and quartz sands, containing by weight 95% or more of silica and not more than 0.6% of oxide of ironSand containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron (Silica sands and quartz sands:)
t
Free
$1.97/t
Natural silica and quartz sands, nesoiOther (Silica sands and quartz sands:)
t
Free
Free
Natural sands, other than silica or quartz sands and other than metal-bearing sands of chapter 26Other (Natural sands of all kinds, whether or not colored, other than metalbearing sands of chapter 26:)
t
Free
Free