bornite


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Related to bornite: chalcocite, Enargite, covellite

born·ite

 (bôr′nīt′)
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
(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
[C19: named after I. von Born (1742–91), Austrian mineralogist; see -ite1]

born•ite

(ˈbɔr naɪt)

n.
a copper sulfide mineral, Cu5FeS4, occurring in brown masses that tarnish to purple.
[1850–55; after I. von Born (1742–91), Austrian mineralogist; see -ite1]
bor•nit′ic (-ˈnɪt ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bornite - a mineral consisting of sulfides of copper and iron that is found in copper deposits
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
References in periodicals archive ?
Phase 2: Stronger and later overprinting mineralization events are also evident in most of the new drill holes, including widespread garnet-bearing skarns containing clots, veins, and disseminations of covellite, native copper, and bornite, with local formation of secondary chalcocite.
Trilogy Metals already holds a 43-101 resource on its Arctic and Bornite properties in Alaska.
Exploration efforts have been focused on two deposits in the Ambler district the Arctic VMS deposit and the Bornite carbonate replacement deposit.
Nadir mine's mineral composition includes magnetite, hematite; rarely there are also pyrite, chalcopyrite, bornite.
The opaque minerals in these rocks consist of chalcopyrite, bornite, malachite, azurite and Fe-oxide.
For example, aluminum is made from the mineral bauxite, and copper is extracted from bornite or malachite.
The Cu-bearing sulfide mineralization is dominantly chalcopyrite with lesser amount of bornite along with pyrite is noticed within the diorites and also along sheared zone within the hornfelse.
Mineralization consists of megascopic and microscopic molybdenite, pyrite, minor chalcopyrite and rare bornite.
The primary and supergene sulphide mineralised zone consists of chalcocite, pyrite, and bornite vein swarms which are silver rich.
Some of these displayed spectacular bornite rims and contained minor amounts of galena as well as betekhtinite and other copper sulfides.
ABROWN, or Bornite as it's known in the trade, isn't the most flattering hue for a Benz and the manual gearbox doesn't help either.
THE SIGNIFICANCE OF CARROLLITE REPLACEMENT TEXTURES IN BORNITE PODS AT THE SWEET WATER MINE, VIBURNUM TREND, SOUTHEAST MISSOURI.