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pentlandite

[pent-luh n-dahyt] /ˈpɛnt lənˌdaɪt/
noun
1.
a mineral, sulfide of nickel, occurring in the form of bronze-colored granular aggregates, found with pyrrhotite: the principal source of nickel.
Origin
1855-1860
1855-60; < French; named after Joseph B. Pentland (died 1873), Irish scientist; see -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for pentlandite
  • The economic minerals are predominately pentlandite and chalcopyrite.
British Dictionary definitions for pentlandite

pentlandite

/ˈpɛntlənˌdaɪt/
noun
1.
a brownish-yellow mineral consisting of an iron and nickel sulphide in cubic crystalline form: the principal ore of nickel. Formula: (Fe,Ni)S
Word Origin
C19: from French; named after J. B. Pentland (1797–1873), Irish scientist who discovered it
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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Encyclopedia Article for pentlandite

a nickel and iron sulfide mineral, the chief source of nickel. It is nearly always found with pyrrhotite and similar minerals in silica-poor rocks such as those at Bushveld, S.Af.; Bodo, Nor.; and Sudbury, Ont., Can. It has also been found in meteorites. Pentlandite forms crystals that have isometric symmetry. For chemical formula and detailed physical properties, see sulfide mineral (table)

Learn more about pentlandite with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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