Ask The Experts
Ask The Experts: What is a Spanish needle?
July 2017 by Chris Ralph
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
Buying a turquoise claim
Ask the Experts
Q: What's the difference between a header box and a crash box?
Ask The Experts - Need advice on melting gold
Ask The Experts: What to do with scheelite
Q: What can be done with scheelite? Why does the ICMJ never list tungsten in the metals prices?
Ask The Experts
How do I extract my gold from this ore?
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