Section V — Mineral products
Chapter 25 — Salt; sulfur; earths and stone; plastering materials, lime and cement
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