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Ask The Experts - When do I use detector discrimination?

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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 - How do I best recover gold in pyrite?


Ask The Experts - How to sell gold specimens


Ask the Experts: gold per ton; improving assay method


Q: How much gold do I have per ton and how can I improve my assay method?

Ask The Experts - Can a detonation help determine the size and location of basalt?


Ask The Experts - How do I remove the silvery-white coating from my gold?


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?

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The Bawl Mill   • Why The Paper Change?   • Ask The Experts - Is gold found in limestone?   • Ask The Experts - Can pyrite crystals be the same color as gold?   • How to Use BLM’s New Mineral and Land Records System   • A Short But Productive Hunt   • Blast from the Past: Jeff Casserly Tells His Own Story   • Old Dog(Fighter), New Trick   • Talking Metal Detectors with Brent Weaver of Garrett   • Strategies for Detecting Heavily Pounded Areas—Part III   • EPA Recommends Against Reissuing Permit for PolyMet Mine   • The Highs and Hazards of Desert Prospecting   • Just Feel The Heft of It   • Proposed Nebraska Mine Has Sizeable Deposit of Rare Elements   • Mining Stock Quotes and Mineral & Metal Prices   • Melman on Gold & Silver

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Introducing ICMJ’s New Owners: Josh and Sherrie Reinke   • Legislative and Regulatory Update   • PLP Update

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