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单词 bornite
释义 bornite
 —bornitic /bawr nit"ik/,  adj.  
 /bawr"nuyt/,  n.  
 a common mineral and important ore of copper, copper iron sulfide, Cu5FeS4, occurring in masses, of brownish color when first exposed to the air; peacock ore.
 [1850-55; named after I. von Born (1742-91), Austrian mineralogist; see -ITE1]
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更新时间:2025/1/22 21:39:57