Ask The Experts
The Portable XRF Gun
November 2012 by Chris Ralph
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
Q: Will my detector react to fine gold?
Ask The Experts: Is an XRF gun useful for prospecting and mineral identification?
Q: I’ve thought about renting an XRF gun with gold specific software to use for exploration this spring.
Ask The Experts: Looking for help on unproven claim
Looking for help on unproven claim
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?
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