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A yellow copper ore (CuFeS2) made up of copper-iron sulfide
Answer for the clue "A yellow copper ore (CuFeS2) made up of copper-iron sulfide ", 12 letters:
chalcopyrite
Word definitions for chalcopyrite in dictionaries
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Chalcopyrite \Chal`co*pyr"ite\, n. [Gr. chalko`s brass + E. pyrite. So named from its color.] (Min.) 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 ...
Wikipedia
Word definitions in Wikipedia
Chalcopyrite is a copper iron sulfide mineral that crystallizes in the tetragonal system. It has the chemical formula CuFeS. It has a brassy to golden yellow color and a hardness of 3.5 to 4 on the Mohs scale . Its streak is diagnostic as green tinged black. ...
Wiktionary
Word definitions in Wiktionary
n. (context mineral English) A yellow mineral that is a mixed sulfide of copper and iron, with the chemical formula copperironsulfur 2 .
WordNet
Word definitions in WordNet
n. a yellow copper ore (CuFeS2) made up of copper-iron sulfide [syn: copper pyrites ]
Usage examples of chalcopyrite.
Hoskins, Professor Adamewski knew from the start that his chalcopyrite specimen could only stay here for a two-week period.