Chunk of ‘fool’s gold’ found in New York — containing 450-million-year-old new species
However, when paleontologists were examining a piece of fool’s gold from the area, they realized an animal encased in the ...
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Extracting Gold from Rock
The next step in the process was to separate the gold amalgam from any 'unreacted' (leftover) mercury. We did this by squeezing the crude amalgam through a small piece of chamois leather.