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Q: A few questions about diamonds...

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Ask The Experts—Separating platinum from sands using bubbles


I am trying to find any information about using bubbles to separate platinum from sands and small particles. I think it has to have a surfactant in the process. Do you know of this bubble tech?

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• Is the Spenceville Wildlife area open to prospecting?

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• When geologists and old-timers have conflicting views.

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• Determining the amount of gold in a specimen

Ask The Experts - This low-grade ore is not worth processing


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Treating ore with a plasma torch or shock waves?

Ask the Experts: Quartz rock and the chance of gold in my area of New Hampshire?


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