What does "bornite" mean?

A reddish mineral that tarnishes on exposure to air; it is a mixed sulfide of iron and copper with the chemical formula Cu₅FeS and is an important ore of copper.

What is a synonym for "bornite"?

Common synonyms include: peacock ore, erubescite, erubescite, peacock copper, peacock ore.

Bornite

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A reddish mineral that tarnishes on exposure to air; it is a mixed sulfide of iron and copper with the chemical formula Cu₅FeS and is an important ore of copper.
2
a mineral consisting of sulfides of copper and iron that is found in copper deposits wordnet

Synonyms

All synonyms

peacock ore erubescite erubescite peacock copper peacock ore

Etymology

From Born + -ite, named after Austrian mineralogist Ignaz von Born.

Related phrases

chemical formula

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.