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Ask The Experts - Where did this kimberlite come from?
March 2021 by Chris Ralph
Ask The Experts: Is there a safe DIY alternative to cyanide or mercury for extraction?
Q: With safety as a given, what can the average miner, or Joe-blow greenhorn do to identify and extract some metals or minerals with off-the-shelf products or natural ingredients?
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Q: A few questions about diamonds...
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The Bawl Mill
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