Ask The Experts
Ask the Experts
April 2012 by Chris Ralph
Q: Graphite spray to prevent sticking when using cast iron moldsAdditional articles that might interest you...
Ask The Experts—Iridium
December 2010
Q: I believe I have found a deposit that contains iridium. What can you tell me about iridium? Are there any tests I can do in the field to confirm it is iridium? How much is iridium worth? Where can I get it assayed? Can I refine it myself?
Q: I believe I have found a deposit that contains iridium. What can you tell me about iridium? Are there any tests I can do in the field to confirm it is iridium? How much is iridium worth? Where can I get it assayed? Can I refine it myself?
Ask the Experts
November 2012
How do I set up a small placer operation?
How do I set up a small placer operation?
Ask The Experts
April 2016
• Can I find enough gold to make a living with only hand tools?
• Can I find enough gold to make a living with only hand tools?
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