Ask The Experts
Ask The Experts
July 2015 by Chris Ralph
Q: What amount of silver is considered the best find ever?Additional articles that might interest you...
Ask The Experts—Iridium
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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?

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Gold in clastic black shale
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