Ask the Experts
June 2014 by Chris Ralph• Building a jaw crusher
Q: Exactly how does amalgamation work? Does it “melt” the gold (or copper, or silver, etc.) and form an alloy? If one leaves a piece of gold in mercury, will the entire sample become an amalgam (combination) of gold and mercury? Or does it only affect the surface...
What are these rocks?
Setting up a gravity dredge
Heading for Australia to metal detect for gold. Tips? Suggestions?
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