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How PGMs Affect Assay Beads
September 2001 by Charles L. Butler
Most fire assayers are trained to observe the cupelled beads very carefully, noting any discoloring or surface roughness that might indicate that one or more of the platinum group metals (PGMs) are present. The “clues and tests” I have included in this article stem from several sources, including my 35 years of experience performing torch assays...The Bawl Mill
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Melman on Gold & Silver
…At present we may be entering a period of relative stability on many economic fronts and, therefore, our focus is now trending more toward social upheaval and the resultant increase in tensions as the prime movers for the precious metals.
Legislative and Regulatory Update
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Legislative and Regulatory Update
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Critical Minerals: Titanium
The metal is expensive, not because it is rare but because of the expense to produce and work it. The minerals mined for titanium are all oxides, unlike many base metals that are mostly mined as sulfide minerals.
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