Gold the fabulous substance which aroused warfares, ennobled kings and graced gods. But: If one would melt down all golden coatings, dental fillings, pieces of jewellery and bullions of the world and ...
form a sphere out of this liquid, it would not get bigger than the height of a two storied house! And compared to the yearly iron ore extraction, it get's even more clear, how invaluable this rare metal is.
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