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peacock ore

noun

, Mineralogy.


peacock ore

noun

  1. another name for bornite
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of peacock ore1

First recorded in 1855–60
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Example Sentences

The massive and compact mineral frequently exhibits this iridescent tarnish, and is consequently known to miners as “peacock ore” or “peacock copper.”

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