peacock copper

名词 n.
中文释义

英文释义

名词 n.
  1. Bornite. informal,uncountable
    — 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.”

词源

After the rainbow iridescence that appears after tarnishing.
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