(Mina Unión Minera)
A old abandoned Pb-Cu mine: similar to a base metal mine, as S. Francisco adit in the same district.
(Special thanks must be given to Dr. Jochen Schluter, curator of Hamburg mineral Museum in Germany, for carry on the analysis of the material from this location)
Ref:
M. Dini
Mineral List:10 entries listed. 10 valid minerals.
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