pentlandite


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Related to pentlandite: garnierite, pyrrhotite

pent·land·ite

 (pĕnt′lən-dīt′)
n.
A yellowish-brown nickel iron sulfide that is the principal ore of nickel.

[French, after Joseph Barclay Pentland (1797-1873), Irish scientist.]

pentlandite

(ˈpɛntlənˌdaɪt)
n
(Minerals) a brownish-yellow mineral consisting of an iron and nickel sulphide in cubic crystalline form: the principal ore of nickel. Formula: (Fe,Ni)S
[C19: from French; named after J. B. Pentland (1797–1873), Irish scientist who discovered it]

pent•land•ite

(ˈpɛnt lənˌdaɪt)

n.
a mineral, iron-nickel sulfide, (FeNi)9S8, occurring in the form of bronze-colored granular aggregates: the principal source of nickel.
[1855–60; < French; after Joseph B. Pentland (d. 1873), Irish scientist; see -ite1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pentlandite - a mineral (iron and nickel sulphide) that is the chief ore of nickel
atomic number 28, Ni, nickel - a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
References in periodicals archive ?
Mineralization consists principally of pyrrhotite, pyrite, pentlandite (violarite) and chalcopyrite; the zone is sub-vertical and arcuate in plan.
The economic minerals associated with the deposit are predominately pentlandite and chalcopyrite.
Fine grained nickel and copper sulphides indentified in petrography included pentlandite, millerite and chalcopyrite in association with pyrrhotite and pyrite.
During recent field programs surface outcrops were found to contain a nickel-bearing minerals pentlandite and phyrrotite (magnetic pyrite) which are often associated with nickel sulphides.
The researchers are now working on altering the polystyrene to make it stick to pentlandite, a common nickel-bearing ore.
Cd was detected in sphalerite and Cd-Zn-sulfide, Ni in pentlandite, and traces of Ni, Cu, Zn, V, and Cr in pyrites [9, 10].
The first type is associated with ores in which pyrrhotite-troilite exceeds chalcopyrite which in turn exceeds pentlandite.
Examination of thin sections confirms the presence of widespread pentlandite together with millerite and lesser covellite.
It occurs most usually in combination with sulphur and iron in pentlandite, with sulphur in millerite, with arsenic in the mineral nickeline, and with arsenic and sulphur in nickel glance (1).
The copper flotation concentrate contains Cu, Ni, Co, Fe which were associated with chalcopyrite, pentlandite, pyrite and pyrrhotite phases respectively.
Principal ore minerals are pyrrhotite, pentlandite, pyrite and chalcopyrite.