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/ˌkæl.kəˈpaɪˌɹaɪt/ · noun
(mineralogy) A yellow mineral that is a mixed sulfide of copper and iron, with the chemical formula CuFeS₂..
Use chalcopyrite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Chalcopyrite means (mineralogy) A yellow mineral that is a mixed sulfide of copper and iron, with the chemical formula CuFeS₂..
Common synonyms include copper pyrites.
The opposite depends on the specific sense.
Use chalcopyrite where its definition matches the intended context.
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