Manganese , copper, cobalt , precious stones.
Diatomite, diatomaceous earth, coking coal iron ore, tin ore, manganese, titanium limestone, salt, coal, mica, kaolin, galena, feldspar, quartz, baryte, graphite, pyrite, talc, rutile, tourmaline, amethyst, granite, bentonite, clay, tantalite, pegmatite, marble, wolframite, lithum, lipidolite, sodomene ambigonite, sapphire, manganite , chromium.
