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Pentlandite is an important mineral due to its nickel content, but it rarely forms in interesting specimens for collectors. It usually occurs together with Pyrrhotite, and may even be intergrown together with it.
Pentlandite is both an individual mineral, and the name of a mineral group. The Pentlandite group is composed of rare sulfides that have similar chemical structures, with Pentlandite being the most prominent member of the group. Pentlandite is named in honor of Joseph Barclay Pentland (1797–1873), a natural scientist from Ireland who first identified this mineral. |
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Pentlandite is an important ore of nickel.
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Pentlandite is not a common mineral in collections, and few localities have produced specimens of note. The premier locality for this mineral is the Sudbury district in Ontario, Canada, especially at the Frood and Worthington Mines. Other localities include the Copper King Mine, Gold Hill, Boulder Co., Colorado; and the Bushveld Complex in Limpopo Province, South Africa. Cobalt-rich Pentlandite, known as Cobaltpentlandite, is described from the Varislahti Deposit, Karelia, Finland.
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Pentlandite differs from Pyrrhotite and Chalcopyrite by lacking any magnetism, and is usually less yellow than Chalcopyrite.
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Have a question about Pentlandite? Visit our Q&A Community and ask the experts!
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