Section V — Mineral products
Chapter 25 — Salt; sulfur; earths and stone; plastering materials, lime and cement
Heading
2511 Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 28.16.
Common commodities
Natural Barium Sulphate (Barytes) oreWitherite mineral oreRaw calcined WitheriteHeavy spar barium oreIndustrial grade BarytesNaturally occurring Barium Carbonate (Witherite)Ore for drilling mud additivesMining of Barytes oresBarium minerals for industrial useNatural Barytes for paint pigment