Chalcopyrite (/ˌkælkəˈpaɪraɪt, -koʊ-/KAL-ko-PY-ryt) is a copper iron sulfide mineral that crystallizes in the tetragonal system. It has the chemical formula CuFeS2. 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.
近义、反义、联想词
近义词
n.
mineral
英英词典
copper pyrites n.
a yellow copper ore (CuFeS2) made up of copper and iron sulfide