Ask The Experts
June 2015 by Chris RalphIf it's gold, how should I clean it?
Q: Conflicting advice on motorized small-scale mining equipment
Q: I have a question/request regarding some black sand left from my Dad’s prospecting days.
• How small should I crush my hard rock ore?
Q: Are there any mills that handle VMS ore?
Gold and silver in Pennsylvania
Sulfides and oxides—what's the difference between the two?
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