Knowledge Base

gold and silver coins

A free online resource for fellow investors, collectors and precious metals enthusiasts interested in learning more about gold, silver and other rare metals

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Copper Ore Types: Sulfides versus Oxides Summary: Most of the rocks where copper is found contains unusable material. Therefore, the rock has to be processed and the valuable ore extracted. The two main copper ore types are sulfides and oxid...
Gold Giants Shrink to Fit as Paulson Pushes Breaku... By Bloomberg The 10 biggest gold companies led by Barrick Gold Corp. (ABX) spent more than $100 billion in the past 20 years buying new mines and projects around the globe. Now they're feeling ...
Strong gold demand in Asia "should offset&quo... "Physical demand offset by professional investor liquidation," says the latest quarterly review from German refining group Umicore. ...read more