DictionarypyriteGold-colored mineral
noun

pyrite

PIE-rite/paɪˈraɪt̮i/

A yellow iron sulfide mineral often mistaken for gold.

The pyrite in this rock shines like gold in sunlight.

Brassy yellow cubic pyrite crystal cluster with visible geometric faces and dark ink edges.
Etymology

Greek pyritēs appeared in a phrase meaning “stone of fire,” named for its glitter. That fiery shine connects the name to the bright mineral known as fool’s gold.

In context

Hard Rock University8:57
Iron pyrite is often associated with gold. So, don't ignore it just because they call it fool's gold.
Lesson 2 - How To Find Lode Gold Deposits - Technical Level: Basic

More examples

  • The museum displays a cluster of cube-shaped pyrite crystals.
  • She mistakes a piece of pyrite for gold.
  • This sample of pyrite contains iron and sulfur.

Forms

pyritic adjective — Containing or resembling the mineral pyrite.

Similar words

fool's gold
An informal name emphasizing pyrite's misleading resemblance to gold.