I recently visited California and my friend took me to this old mining area near Grass Valley / Nevada City, CA. The Empire Mine site was one of the largest, richest, and longest operating gold mines of California from 1850-1956. It produced more than eight billion dollars in gold. Today the area is a historic…Read more »
Category: minerals
Precious Gold
During the Klondike Gold Rush, gold was used as currency. It was eliminated from common coinage in 1933, yet gold is well used in today’s world that the average person doesn’t realize. Gold is a heavy, yellow metallic chemical element. It has the greatest density of any mineral and because of its high density, it…Read more »
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