Ask the Experts
February 2014 by Chris RalphWhat is the ceramic-like material embedded with gold?
Have you ever wondered how accurate specific gravity tests are in determining the amount of gold in a specimen?
Q: Thanks for the great article in the recent ICMJ [“Metallic Trash—Scourge of the Prospector,” July 2012]...
Q: A few questions about claim markers, gold hunter test kits, and videos....
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