Ask the Experts
February 2013 by Chris RalphQ: A few questions about diamonds...
Q: How do I get gold out of a saturated solution of salt with nitric acid?
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...
Q: Aside from the softness scratch test and other methods of identification, what feedback would you have on identifying gold in hard rock that may be mixed with other metals that affect its color?
Can the public take minerals from a mining claim?
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