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September 2017 by Chris Ralph

The Portable XRF Gun

November 2012
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.

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August 2013
Q: Will my detector react to fine gold?

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April 2016
• Should I focus efforts on this particular rock type?

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June 2014
• Reopening closed areas

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December 2018

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September 2017

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June 2018

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