Ask The Experts
Ask the Experts - what does MDB&M stand for?
April 2013 by Chris Ralph
Q: What does MDB&M stand for?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.
Ask The Experts—Highbanker legal in CA?; Best place to sell raw gold?
Q: If a high banker is outfitted with a suction hose, is it considered a dredge in CA even if it is sitting on the ground? Also, how do I find the best places to sell raw gold (flour, pickers, nuggets, gold in quartz, etc.)?
Ask The Experts - Who owns this historic mill and how do I handle possible mercury contamination?
Ask the Experts
• What's worth picking out of the pan besides gold?
Ask The Experts
Is it possible to use a cell phone GPS away from cell towers?
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?
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The Bawl Mill
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