Ask The Experts
Ask the Experts
February 2013 by Chris Ralph
Q: A few questions about diamonds...Ask the Experts
Q: How do I get gold out of a saturated solution of salt with nitric acid?
Ask The Experts—Amalgamation
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...
Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals?
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?
Ask The Experts
Can the public take minerals from a mining claim?
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