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Pyrites   Listen
noun
Pyrites  n.  (Min.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color. Note: The term was originally applied to the mineral pyrite, or iron pyrites, in allusion to its giving sparks when struck with steel.
Arsenical pyrites, arsenopyrite.
Auriferous pyrites. See under Auriferous.
Capillary pyrites, millerite.
Common pyrites, isometric iron disulphide; pyrite.
Hair pyrites, millerite.
Iron pyrites. See Pyrite.
Magnetic pyrites, pyrrhotite.
Tin pyrites, stannite.
White iron pyrites, orthorhombic iron disulphide; marcasite. This includes cockscomb pyrites (a variety of marcasite, named in allusion to its form), spear pyrites, etc.
Yellow pyrites, or Copper pyrites, the sulphide of copper and iron; chalcopyrite.






Collaborative International Dictionary of English 0.48








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"Pyrites" Quotes from Famous Books



... Shannon joined the Boat last night. Course this morning is S 47 W. 11/4 on the S. point West 11/4 me. to the Commencement of a Bluff on the L. S. the High land near the river for Some distance below. This Bluff contain Pyrites alum, Copperass & a Kind Markesites also a clear Soft Substance which will mold and become pliant like wax) Capt lewis was near being Poisened by the Smell in pounding this Substance I belv to be arsenic or Cabalt. I observe ...
— The Journals of Lewis and Clark • Meriwether Lewis et al

... of precious stones which Pliny tells us were found in Media, contains several kinds which we are unable to identify, e.g. the Zathene, the gassinades and narcissitis. Pliny calls lapis-lazuli sapphirus, and declares that the bright specks of pyrites it contained rendered it unsuitable for engraving. In the Assyrian inscriptions Mount Bikni, the modern Demavend, is described as a ...
— History Of Egypt, Chaldaea, Syria, Babylonia, and Assyria, Volume 8 (of 12) • G. Maspero

... frequently referred to the presence of hearths, showing that they used fire. Like other rude races, it is probable that they obtained fire by the friction of one piece of wood upon another. M. Dupont found in one of the Belgium caves a piece of iron pyrites, from which, with a flint, sparks could ...
— The Prehistoric World - Vanished Races • E. A. Allen

... coal, lead, tungsten, zinc, graphite, magnesite, iron ore, copper, gold, pyrites, ...
— The 2003 CIA World Factbook • United States. Central Intelligence Agency

... mineral contents. Some fine specimens of mica have however been obtained from the summit of Wachusett. The only other extraneous mineral found there to any great extent is the sulphuret of iron before mentioned. The common name of this mineral is iron pyrites, and being of a yellow color has in many localities in New England, in times past, caused a vast waste of time and money in a vain search for gold. It does not appear that the inhabitants of Princeton were ever thus deceived, though Whitney wrote in 1793: "Perhaps its bowels may contain ...
— Bay State Monthly, Vol. II, No. 1, October, 1884 - A Massachusetts Magazine • Various


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