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bornite

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born·ite  (bôrnt)
n.
A brownish-bronze, lustrous copper ore with the composition Cu5FeS4 that tarnishes to purple when exposed to air.
[After Ignaz von Born (1742-1791), Austrian mineralogist.]
bornite [ˈbɔːnaɪt]
n
(Earth Sciences / Minerals) a mineral consisting of a sulphide of copper and iron that tarnishes to purple or dark red. It occurs in copper deposits. Formula: Cu5FeS4 Also called peacock ore
[named after I. von Born (1742-91), Austrian mineralogist; see -ite1]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.bornite - a mineral consisting of sulfides of copper and iron that is found in copper deposits
peacock ore
atomic number 29, copper, Cu - a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
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THE SIGNIFICANCE OF CARROLLITE REPLACEMENT TEXTURES IN BORNITE PODS AT THE SWEET WATER MINE, VIBURNUM TREND, SOUTHEAST MISSOURI.
The Significance of Carrollite Replacement Textures in Bornite Pods ... by Transactions of the Missouri Academy of Science
Removal of the waste rock revealed the presence of some extreme unexpected and unknown high grade copper and silver ores, such as the important copper ore mineral bornite, the beautiful crystal covellite, and the high yielding copper ore cuprite.
Copper King Mining Corporation Provides Mining Updates by Business Wire
Copper, with grades shown in Table 2, is mainly contained in chalcopyrite, bornite, chalcocite, and copper carbonates in the oxide zone.
Drilling Intersects 116 m @ 0.61 % Cu on the East Camp Skarn Target ... by Business Wire
 
 
 
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