Pyrite
['paɪraɪt]
Definition
(noun.) a common mineral (iron disulfide) that has a pale yellow color.
Inputed by DeWitt--From WordNet
Definition
(n.) A common mineral of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system; iron pyrites; iron disulphide.
Typed by Abe
Definition
n. native iron disulphide of a pale-yellow colour and very hard—also Iron pyrites.—Copper pyrites yellow sulphide of copper and iron.
Edited by Della
Examples
- The Kimberlite of the Jagersfontein mine is free from pyrites, and to that is attributed the remarkable brilliancy and purity of color for which the diamonds of this mine are celebrated. Various. The Wonder Book of Knowledge.
- In the second case, the heat is produced by a kind of fermentation; and in the third, by the pyrites of the coal rapidly absorbing and combining with the oxygen of the air. Various. The Wonder Book of Knowledge.
Typist: Naomi