Ask The Experts
Ask The Experts: What to do with scheelite
June 2017 by Chris Ralph
Q: What can be done with scheelite? Why does the ICMJ never list tungsten in the metals prices?
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Ask The Experts—Using classifiers
December 2010
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
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