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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: Is there a safe DIY alternative to cyanide or mercury for extraction?
Q: With safety as a given, what can the average miner, or Joe-blow greenhorn do to identify and extract some metals or minerals with off-the-shelf products or natural ingredients?
Ask the Experts - ...Worth further investigation?
Q: About 158,000 tons of ore is estimated to remain on the property. Worth further investigation?
Ask the Experts: What type of wetsuit do I need?
Q: Since the weather in California is not as nasty as it is in Alaska, would it be advisable to wear the same setups as he wrote about?
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Gold nuggets and serpentine contacts
Ask the Experts—Looking up mining claims on the Internet
Q: Is there an Internet source ... that one can access to review which claims and at which location are the claims that BLM administrators close each year?
Ask The Experts - Need advice on melting gold
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