(n.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). chalcopyrite. Retrieved September 21, 2026, from http://smartdefine.org/chalcopyrite/definitions/1986122 |
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| MLA | Webster's. "chalcopyrite" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/chalcopyrite/definitions/1986122> |