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pyrrhotite
[ pir-uh-tahyt ]
noun
- a common mineral, iron sulfide, approximately FeS but variable because of a partial absence of ferrous ions, occurring in massive and in crystal forms with a bronze color and metallic luster; magnetic pyrites: generally slightly magnetic.
pyrrhotite
/ ˈpɪrəˌtiːn; ˈpɪrəˌtaɪt; -tɪn; -ˌtaɪn /
noun
- a common bronze-coloured magnetic mineral consisting of ferrous sulphide in hexagonal crystalline form. Formula: FeS
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Word History and Origins
Origin of pyrrhotite1
1868; < Greek pyrrhót ( ēs ) redness + -ite 1
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Word History and Origins
Origin of pyrrhotite1
C19: from Greek purrhotēs redness, from purrhos fiery, from pur fire
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Example Sentences
Pyrrhotite, or magnetic pyrites, is the source of about all the nickel of commerce.
From Project Gutenberg
Some of the nickel of commerce is derived from nickelliferous pyrrhotite.
From Project Gutenberg
The pyritic ores of iron, including marcasite, pyrrhotite and mispickel, are often taken for gold by the inexperienced.
From Project Gutenberg
One of the best-known localities is Bodenmais, in Bavaria, where it occurs with pyrrhotite in a granite matrix.
From Project Gutenberg
The copper deposits are mainly in well-marked fracture planes in serpentine; the ore is pyrrhotite, with or without chalcopyrite.
From Project Gutenberg
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