Section V — Mineral products
Heading
2530
Mineral substances not elsewhere specified or included.
Common commodities
Vermiculite for horticulturePerlite horticultural expandableUnexpanded chlorites for industrial useKieserite used in fertilizersEpsomite crystals for health productsNatural arsenic sulfides ore concentrationBroken concrete aggregates for constructionNatural earth colors pigmentsMicaceous iron oxides for paint industryMeerschaum pipes and carvings