Despite its nickname, pyrite has very little in common with gold beyond its metallic luster. Also called iron sulfide, pyrite is part of a group of inorganic compounds known as sulfide minerals ...

Pyrite, chemically known as iron sulfide (FeS₂), is one of Earth’s most common sulfide minerals. Miners and prospectors have encountered it for centuries, often confusing it with gold due to ...

Sometimes, there's more to iron pyrite than meets the eye. While testing it to differentiate between fool's gold and real gold, it's possible to find tiny amounts of real gold inside. And that's ...