chalcopyrite

chalcopyrite Definition

chal·co·py·rite (kal′kō pī′rīt′, -pir′īt′)

noun

a bright-yellow mineral, CuFeS, an important ore of copper; copper iron sulfide

Etymology: chalco- + pyrite

chalcopyrite Usage Examples

Converse of object

contain: In the Bay Complex narrow zones of bleached rock are rich in calcite, chlorite and pyrite and contain minor chalcopyrite and pyrrhotite.

Adjective modifier

minor: In the Bay Complex narrow zones of bleached rock are rich in calcite, chlorite and pyrite and contain minor chalcopyrite and pyrrhotite.
yellow: More surprisingly, the metallic yellow mineral chalcopyrite, often known as fools ' gold, also has a black streak.

Modifies a noun

ore: The estimates which follow assume that carbonate as well as oxidized chalcopyrite ores were removed from the known extent of the early workings.

Noun used with modifier

mineral: In its natural state a metal such as copper is found combined with other elements in the mineral chalcopyrite.

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