Ask the Experts
May 2014 by Chris RalphSampling and mining a historic mining claim
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.
Q: What's the difference between a header box and a crash box?
Questions regarding patented and unpatented mining claims and the legal rights surrounding them.
Market for scheelite concentrates?
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