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Discoloring Assay Beads
October 2001 by Charles L. Butler
We have developed a discoloring procedure, that makes parting unnecessary in many cases. Our discoloring solution contains sulfur, an element that tarnishes high silver content beads quite rapidly.Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals?
Q: Aside from the softness scratch test and other methods of identification, what feedback would you have on identifying gold in hard rock that may be mixed with other metals that affect its color?
Metal-Mineral Identification Utilizing a Detector
Seldom is a metal detector used for ore sampling today. Nevertheless, this procedure still works as all BFO and VLF detectors have a non-conductive mineral zone and a conductive metal zone with a neutral null zone between them.
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Wyoming—A Land That Time (And Explorationists) Forgot
Wyoming is a vast state, covering nearly 260,000 km2 of surface area, which houses fewer people than most cities (less than 500,000 call Wyoming home). The state has no state income tax, is driven by taxes generated by the oil and gas...
Diamond Dealer Prevails in Congo
The one he’s rolling around in his fingers is nice—5.23 carats, nearly the size of a marble, pure and white. But the diamond that Alphonse Ngoyi Kasanji is talking about is the big one—the one that got taken away.
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