Meanings
nounpeacock copper (uncountable)
- informaluncountableBornite.
The ores are of two general types, chalcopyrite or “yellow copper,” with very little bornite or other minerals richer in copper, and those in which the values lie almost wholly in bornite or “peacock copper.”
1920, Douglas Clermont Livingston, The Copper Deposits of the Seven Devils and Adjacent DistrictsSynonyms: peacock ore
Synonyms & antonyms
nounBornite.
Similar
Also see
Origin
After the rainbow iridescence that appears after tarnishing.
Full word history & related roots →Cite this entry
APA
peacock copper. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/peacock%20copper
MLA
“peacock copper.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/peacock%20copper. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “peacock copper,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/peacock%20copper.
Source: peacock copper on Wiktionary, CC BY-SA 4.0.