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pyrites n. 硫化铁矿 硫化铁矿 pyrites n 1: any of various metallic- looking sulfides ( of which pyrite is the commonest) 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. [ 1913 Webster] Hence sable coal his massy couch extends, And stars of gold the sparkling pyrite blends. -- E. Darwin. [ 1913 Webster]
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. [ 1913 Webster] Note: The term was originally applied to the mineral pyrite, or iron pyrites, in allusion to its giving sparks when struck with steel. [ 1913 Webster] { 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. [ 1913 Webster] Pyritic
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