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Ask The Experts - What equipment do I need to enter an old lode mine?


Ask The Experts - Why is the gold in these clays?


The Portable XRF Gun


While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.

Ask The Experts—Where can I find information on the Abby mine?


Q: I would like to know where I can find information on the Abby mine located at Hildreth, CA.

Ask The Experts: Potential for developing magnesite deposit


Q: What I would like to know is how to confirm if it is magnesite and the quality.

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 - Does silicone rubber make a good sluice mat?


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