HS CodesV · Mineral products25 · Salt; sulphur; earths and stone; plastering materials, lime and cement2529252910252910Chapter 25Copy pageFeldsparDescriptionFeldspar; leucite; nepheline and nepheline syenite; fluorspar : FeldsparWas this page helpful?YesNoPrevious252800Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weightNextContaining by weight 97 % or less of calcium fluoride252921