Ask The Experts
Ask the Experts
August 2013 by Chris Ralph
Q: How do I get gold out of a saturated solution of salt with nitric acid?Ask The Experts: What is a Spanish needle?
Some fellow in Texas was selling a Spanish needle—a dousing device used to recover minerals in the old days. Do you know anything about these?
Ask The Experts—Do I still have rights to this mining claim?
Q: Do I still have rights to this mining claim?
Ask The Experts: Could you expand on your previous blasting article?
Q: Could you write more about the last two methods that you mentioned—the expanding chemical mixtures and the micro blasters, how and when to use them, and when not to use them?
Ask the Experts
Q: Can you please tell me about diamond fluorescense?
Ask The Experts
Is it possible to use a cell phone GPS away from cell towers?
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