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how to extract gold from ore with borax india

Nov 27, 2012· Boraxreducesthemelting point ofmetals and minerals allowing small-scale miners -- often called artisanal miners -- to extract and smelt their gold. It may take between half an hour and an hour longer than the mercury method but borax does not harm the environment or people, it is cheaper than mercury and the gold produced is more pure, according to GEUS.

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