Ask The Experts
Ask The Experts - Skim Bar Placers article clarification
November 2018 by Chris Ralph
Ask the Experts
• Recovering platinum
Ask The Experts—What minerals are magnetic? Can rare earth magnets capture platinum?
What minerals are magnetic? I have heard that super magnets (rare earth magnets) can capture platinum. True?
The Portable XRF Gun
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
Ask the Experts
How do mines and refiners deal with doré bars?
Ask the Experts
What is the ceramic-like material embedded with gold?
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