Gold is worth $250 - 1400 per oz since 1995. Totally golds production worldwide is 161,000 tonnes by 2009. Golds melting point is 1064 degrees celsius, and its boiling point is at 2856 degrees celsius.
Of all the minerals mined from the earth there is nothing more useful than gold. Gold is used to conduct electricity, jewelry, medication, money, and technology.
Mercury(Hg) + Electricity = Gold(Au)