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Best and Easiest way to refine gold dust to get 999 purity. Best and Easiest way to refine gold dust to get 999 purity Home FAQs green colour reaches dark black colour Settle the solution for 1 hour then decant the solution into another drum Remove the brown powder in a beaker Just take the gold and then use a hammer and a steel doll and hammer the gold till it takes the form of sand.

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