Ask The Experts
Ask The Experts—Iridium
December 2010 by Chris Ralph
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
How do sluicing and drywashing compare in effciency?
Ask The Experts: Equipment to break up heavy clay
Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.
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Can a metal detector be used to find limonitic gossan material?
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Viewing details on Google Earth
Which Specific Gravity Test Works Best?
Have you ever wondered how accurate specific gravity tests are in determining the amount of gold in a specimen?
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Sulfides and oxides—what's the difference between the two?
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