chalcopyrite - Definition. Was ist chalcopyrite
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Was (wer) ist chalcopyrite - definition

SULFIDE MINERAL
Copper pyrites; Copper-pyrites; Yellow copper ore; Copper-Pyrites; Copper pyrite; CuFeS2; Calcopyrite; 🜡
  • The [[unit cell]] of chalcopyrite.  Copper is shown in pink, iron in blue and sulfur in yellow.
  • 186x186px
  • Copper [[flash smelting]] process, a pyrometallurgical method of copper extraction from chalcopyrite.
  • Timmins, Ontario]], Canada. The brassy-yellow mineral is chalcopyrite- the primary ore mineral at this mine.

chalcopyrite         
[?kalk?(?)'p??r??t]
¦ noun a yellow mineral consisting of a sulphide of copper and iron, the principal ore of copper.
Origin
C19: from mod. L. chalcopyrites, from Gk khalkos 'copper' + purites (see pyrites).
Chalcopyrite         
·noun 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.
copper pyrites         
¦ noun another term for chalcopyrite.

Wikipedia

Chalcopyrite

Chalcopyrite ( KAL-kə-PY-ryte, -⁠koh-) is a copper iron sulfide mineral and the most abundant copper ore mineral. It has the chemical formula CuFeS2 and crystallizes in the tetragonal system. 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 tarnishes to a variety of oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), digenite (Cu9S5); carbonates such as malachite and azurite, and rarely oxides such as cuprite (Cu2O). It is rarely found in association with native copper. Chalcopyrite is a conductor of electricity.

Copper can be extracted from chalcopyrite ore using various methods. The two predominant methods are pyrometallurgy and hydrometallurgy, the former being the most commercially viable.

Beispiele aus Textkorpus für chalcopyrite
1. Brought out in the meantime are stamps showing serpentine, chalcopyrite, zinc blende and molybdenite which are distributed in different parts of Korea.