Found 2 items, similar to Pyrites.
English → English (WordNet) Definition: pyrites pyrites n : any of various metallic-looking sulfides (of which pyrite is the commonest)
English → English (gcide) Definition: Pyrites 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] 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]