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De - Pt| English Dictionary: pyrites | by the DICT Development Group |
| 3 results for pyrites | |
| From WordNet (r) 3.0 (2006) [wn]: | |
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| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Pyrite \Pyr"ite\, n.; pl. {Pyrites}. [Cf. F. pyrite. See {Pyrites}.] (Min.) A common mineral of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system; iron pyrites; iron disulphide. Hence sable coal his massy couch extends, And stars of gold the sparkling pyrite blends. --E. Darwin. | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Pyrites \Py*ri"tes\, n. [L., fr. Gr. [?], fr. [?] fire. See {Pyre}.] (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}, [or] {Copper}, {pyrites}, the sulphide of copper and iron; chalcopyrite. | |
