Ask The Experts - How do I remove the silvery-white coating from my gold?

September 2019 by Chris Ralph

Underground Blasting at a Gold Mine. '3...2...1...Fire in the Hole!'

June 2023

Ask The Experts: Equipment to break up heavy clay

January 2017

Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.

Ask The Experts -- Is it worth going after these rare earth minerals?

March 2020

Ask The Experts

February 2016
Designing my own dredge...

The Portable XRF Gun

November 2012
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

September 2014
• Using drywashers to work desert gravels

Ask The Experts - Any references on gold formation?

March 2019

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The Bawl Mill   • Ask The Experts - Is it possible to mine glacial moraine placer deposits?   • Ask The Experts - Why are some valid mining claims missing from apps when researching land status?   • Ask The Experts - Is using a drywasher legal in California   • A High Country Patch   • An Update On The Father's Day Gold Discovery   • Exploring The Historic Rand Mining District, Southern California   • Disturbing Trend: Federal Judges Disregard Mining Laws   • My First Carolina Nugget   • How to Refine Silver—Pt I   • Step-by-Step Crevicing   • Melman on Gold & Silver   • Mom Finds 3.72-Carat Yellow Diamond   • Mining Stock Quotes and Mineral & Metal Prices

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