| 单词 | bornite |
| 释义 | Word Frequency bornite(ˈbɔːnaɪt) noun a mineral consisting of a sulphide of copper and iron that tarnishes to purple or dark red. It occurs in copper deposits. Formula: Cu5FeS4 Also called: peacock oreWord origin C19: named after I. von Born (1742–91), Austrian mineralogist; see -ite1 |
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