The Portable XRF Gun
November 2012 by Chris RalphWhile 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.
Q: Will my detector react to fine gold?
Q: I’ve thought about renting an XRF gun with gold specific software to use for exploration this spring.
Looking for help on unproven claim
Q: How much gold do I have per ton and how can I improve my assay method?
The Bawl Mill • Ask the Experts • Ask the Experts • Ask the Experts • Ask the Experts • Gold Dredging on Oregon's South Umpqua • The Struggle to Reopen Alaska's Largest Gold Mine • Prospecting With a Detector: Lessons Learned • The Rush to Treasure Hill • Tips on Crevicing for Gold • Using Google Earth and Other Maps • Proper Assaying of Placer Samples • Mining, Health Care & Taxes • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices