| 单词 | copper pyrites |
| 释义 | copper pyrites (once / 173814 pages) n WORD FAMILY copper pyrites USAGE EXAMPLESBeat with a stone on copper pyrites, and it immediately begins to crumble. Various, Harper's New Monthly Magazine Vol....(2011) This ore is often found mixed with iron or copper pyrites, and sometimes with blende. Sawyer, Frederic H., The Inhabitants of the Philippines(2011) Magnetic pyrites, copper pyrites, zinc blende and arsenical pyrites are other and less important examples, the last constituting the gold ore formerly worked in Silesia. Various, Encyclopaedia Britannica, 11th Edit...(2011) n a yellow copper ore (CuFeS2) made up of copper and iron sulfide Syn|Hyper chalcopyrite mineral solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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