Sodium carbonate and calcium carbonate, calcium carbonate, sodium carbonate.
Zinc ores, tin, gypsum, limestone, manganese, magnesite, coal, lignite, clay, columbite, ilmenite, mica, barite, galena, sodium chloride, silica sand, granites, tantalite, sphalerite, talc, marble, heliodor, titanium, cooking coal, iron ore, kaolin, calcite, copper ore, laterite, bismuth, wolframite.
