What is Fool's Gold?
nps staff photo
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?
Klondike Gold Rush discoveries totaled about 20% of what was found during the California Gold Rush of 1849.