When news broke late last month that an unidentified bright blue mineral had been found in Adventure Mining Company’s historic Upper Peninsula copper mine, many people made speculations on social ...
Before the federal government shut down on Wednesday morning, the U.S. Geological Survey said it would team up with Mountain ...
It’ll be a snap to identify gemstones once Robert Downs finishes his library of spectral fingerprints for all the Earth’s minerals. Downs is almost halfway there. So far, the associate professor of ...
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