Tungsten has a density greater than that of lead and uranium and is similar to that of gold. Its hardness is exceeded only by diamond and it does not break down or decompose. It is very inert and replaces lead in uses where it is exposed to the environment.
Source: A Preliminary Market Review of Tungsten, Goodall Business and Resource Management Pt Ltd, January 2008, US Geological Survey, China Minmetals Nonferrous Metals Co., Ltd 2009
For further information the International Tungsten Industry Association website is www.itia.info or CLICK HERE
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