It is estimated that the value of sites of metals on Kosovo overcomes the amount of $1.000 billion. Corporate experts for raw metals and minerals have announced in the end of 2008 the estimated reports of reserves: The mine "Grebnik" south from Glina, has for a fact 1.700.000 tons of bauxite reserves. Four tons of bauxite consists of two tons of alumina, which is used for making a ton of aluminum, which means that "Grebnik" could produce 425.000 tons of aluminum.