removing silver

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  1. Marcus Horton

    Refining from black sand cons

    Hey guys new member here. I am refining what I want to call creek bed black sand. After clarifying down to 100 grade screen, using a low gravity separator and using a magnet to remove most of the iron. Mixing 1 part charge, 1 part Borax, 0.5 part potassium nitrate. Dropping silver as a...
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