gold 5

better conductor gold coating applied. these group of metals are special, gold and silver both are beautiful, they appreciated as precious, in other side its characteristic anti rust, very solid, can be stretched incredibly long, applied as very thin layer, conduct electricity best. and very rare found on earth. approximately mined gold until now is only 164.000 tons. 70% used as jewelry, 20% as investment, 5% in industry, 5% etcetera.