Silica sand, quartz, silicon dioxide, phosphate, talc, feldspar, ailment, pisolitic kaolin, plastic kaolin, fermoclite, granite rocks, ball clay, gypsite, rock salt deicing salt, manganese ore, kaolin white clay, gypsum ore, carbon ferro manganese, calcined gypsum.
Gemstones, rutile quartz, rubellite, tourmaline, emerald, citrine, aquamarine, imperial, topaz, crystals, citrine and amethyst, quartz for grinding, faceted stones, rough brazilien stones, pyrites.
