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refining black sand gold

Jul 22, 2020· This is by far the easiest way to collect gold. Extractinggoldfromblack sandstarts to become less profitable as it becomes harder toseparate.This is because the cost of extracting each troy ounce of gold increases. If gold is physically attached to minerals, one way toseparateit is through smelting techniques. Another popular way toseparate goldis “wet chemical extraction” where theblack sand…

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