Ask The Experts
Ask the Experts
April 2012 by Chris Ralph
Q: Graphite spray to prevent sticking when using cast iron moldsAsk The Experts: Potential for developing magnesite deposit
Q: What I would like to know is how to confirm if it is magnesite and the quality.
Ask The Experts - Help with an assay report
Ask the Experts
Gold out of auqa regia
Ask The Experts: What is a Spanish needle?
Some fellow in Texas was selling a Spanish needle—a dousing device used to recover minerals in the old days. Do you know anything about these?
Ask the Experts
What is the ceramic-like material embedded with gold?
Ask the Experts
• How many parts per million make a project viable?
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