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Identifying Gold And Silver Oremanganese

Oct 29 2008nbsp018332With gold or silver borax will change color as it aborbs the impurities in the metal Baking soda wont absorb the impurities in the metals Ive tested many types of rocks for gold or silver or even lead with propane on charcoal with baking soda Outside of course for ventilation With lead the beads will solidifie a lead grey.

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