Ask The Experts
Ask The Experts - How do I obtain a map of Montana gold & sapphire gravel bars?
December 2019 by Chris Ralph
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?
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