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chalcopyrite |
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chalcopyrite (kăl'kəpī`rīt, kăl`kōpī'rīt) or copper pyrites (pīrī`tēz, pə–), brass-yellow mineral, sometimes with an iridescent tarnish. It is a sulfide of copper and iron, CuFeS2 . It crystallizes in the tetragonal system but is usually found in the massive form. Chalcopyrite is of primary origin and occurs in igneous and metamorphic rocks and in metalliferous veins. It is an important ore of copper and is widely distributed throughout the world. chalcopyriteMost common copper mineral, a copper and iron sulfide (CuFeS2), and a very important copper ore. It typically occurs in ore veins deposited at medium and high temperatures, as in parts of Spain, Japan, Montana, and Missouri. Chalcopyrite is a member of a group of sulfide minerals, and it crystallizes in the tetragonal crystal system. Its atomic structure is related to that of sphalerite. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The partners expect the annual production of electrolytic copper to be approximately 70,000 tons from the new facilities, and it will replace an expected decline in Morenci's heap leach output later this decade with the increased ration of chalcopyrite ores which are difficult to be processed at the existing complex. Highly anomalous numbers of chalcopyrite grains, an important ore mineral for copper, were recovered from samples collected on one of the major rivers in the Coral Rapids area. Scientists prepare extremely thin films of chalcopyrite and layer them to build semiconductors. |
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