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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



... iron ore, copper, lead, zinc, uranium, tungsten, mercury, pyrites, magnesite, fluorspar, gypsum, sepiolite, kaolin, potash, ...
— The 2008 CIA World Factbook • United States. Central Intelligence Agency.

... and on of porphyry walls and contact veins, gray copper and ruby silver, and sulphurets and pyrites of iron, but when my eye kindled with the majestic beauty of these eternal battlements and my voice trembled a little with awe and wonder; while my heart throbbed and thrilled in the midst of nature's eloquent, golden silence, this man sat there like an Etruscan ham and refused to throb or thrill. ...
— Remarks • Bill Nye

... ore, uranium, mercury, pyrites, fluorspar, gypsum, zinc, lead, tungsten, copper, kaolin, potash, ...
— The 2000 CIA World Factbook • United States. Central Intelligence Agency.

... approached the coast upon which no living eyes had ever rested. Straight from the ocean's depths rose towering cliffs, shot with brown and blues and greens—withered moss and lichen and the verdigris of copper, and everywhere the rusty ocher of iron pyrites. The cliff-tops, though ragged, were of such uniform height as to suggest the boundaries of a great plateau, and now and again we caught glimpses of verdure topping the rocky escarpment, as though bush ...
— The Land That Time Forgot • Edgar Rice Burroughs

... noticed that the hills which extended to the edge of the river on the south side, contained alum, copperas, cobalt, (having the appearance of soft isinglass,) pyrites, and sand-stone: the two first very pure. In another cliff, seven miles distant, he observed an alum rock, of dark brown colour, containing, in its crevices, great quantities of cobalt, cemented shells, and red earth. The appearance ...
— Travels in North America, From Modern Writers • William Bingley


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