What is Fool's Gold?
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Iron pyrite or Fool's Gold is a brassy yellow mineral that is often mistaken for gold, but there are many ways to tell the difference. Although pyrite is common and contains a high percentage of iron, it has never been used as a significant source of iron.
Did You Know?
Seattle's population swelled from 40,000 in 1890 to 240,000 by 1910.