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Ask the Experts: Quartz rock and the chance of gold in my area of New Hampshire?
January 2014 by Chris Ralph
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Q: Conflicting advice on motorized small-scale mining equipment
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Breaking cemented gravels
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.
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• Can I find enough gold to make a living with only hand tools?
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• Should I focus efforts on this particular rock type?
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