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Ask The Experts - How much rock shall I crush to determine the value?
October 2017 by Chris Ralph
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Designing my own dredge...
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Recovering gold from pyrite ore
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Gold out of auqa regia
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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Hydraulic remnants or just lose material?
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Q: A few questions about diamonds...
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Ask The Experts - Is there a standard percentage given to land owners who hold the mineral rights?
