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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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The Bawl Mill   • Our Readers Say   • Ask The Experts: Is there a safe DIY alternative to cyanide or mercury for extraction?   • Ask The Experts: Should I take my claim access problems to the Desert Advisory Council?   • Ask The Experts   • Ask The Experts   • Legislative and Regulatory Update   • Pickers and Nuggets   • Modern-Day Claim Jumping   • Oregon's Waldo and Galice Mining Districts Unite   • Attention to Detail - Part II   • The Seven Troughs Mining District   • CA Supreme Court Rules Against Rinehart - But There Is A Solution   • Summertime Gold Panning   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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