Ask the Experts
July 2014 by Chris RalphBacterial gold
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?
Replacing cloth on a drywasher
Q: Is there a special name for this silver and copper alloy?
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