noun \ˌkal-kə-ˈpī-ˌrīt\

Definition of CHALCOPYRITE

:  a yellow mineral that consists of a sulfide of copper and iron and is an important copper ore


New Latin chalcopyrites, from Greek chalkos + Latin pyrites
First Known Use: 1835


noun    (Concise Encyclopedia)

Most common copper mineral, a copper and iron sulfide (CuFeS), 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.


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