It turns out his figures were not accurate to begin with.
Silver is mined at between 7 to 8 times gold, not 15.
However, it is apparently 17-20 times more abundant in the earths crust.
It turns out his figures were not accurate to begin with.
Silver is mined at between 7 to 8 times gold, not 15.
However, it is apparently 17-20 times more abundant in the earths crust.
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