Ask the Experts
April 2014 by Chris RalphFrogs' extinction from fungus
• Can you please shed some light on the material I collected...?
Q: Conflicting advice on motorized small-scale mining equipment
Q: What are the advantages or disadvantages of hand crank vs. battery power vs. blower? And your preference?
Q: I have a question/request regarding some black sand left from my Dad’s prospecting days.
What minerals are magnetic? I have heard that super magnets (rare earth magnets) can capture platinum. True?
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