Crossword clues for chalcopyrite
The Collaborative International Dictionary
Chalcopyrite \Chal`co*pyr"ite\, n. [Gr. chalko`s brass + E. pyrite. So named from its color.] (Min.) Copper pyrites, or yellow copper ore; a common ore of copper, containing copper, iron, and sulphur. It occurs massive and in tetragonal crystals of a bright brass yellow color.
Wiktionary
n. (context mineral English) A yellow mineral that is a mixed sulfide of copper and iron, with the chemical formula copperironsulfur2.
WordNet
n. a yellow copper ore (CuFeS2) made up of copper-iron sulfide [syn: copper pyrites]
Wikipedia
Chalcopyrite is a copper iron sulfide mineral that crystallizes in the tetragonal system. It has the chemical formula CuFeS. It has a brassy to golden yellow color and a hardness of 3.5 to 4 on the Mohs scale. Its streak is diagnostic as green tinged black.
On exposure to air, chalcopyrite oxidises to a variety of oxides, hydroxides and sulfates. Associated copper minerals include the sulfides bornite (CuFeS), chalcocite (CuS), covellite (CuS), digenite (CuS); carbonates such as malachite and azurite, and rarely oxides such as cuprite (CuO). Chalcopyrite is rarely found in association with native copper.
Usage examples of "chalcopyrite".
Hoskins, Professor Adamewski knew from the start that his chalcopyrite specimen could only stay here for a two-week period.