英语词汇“columbite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	columbite
释义	co·lum·bite \kəˈləmˌbīt\ noun (-s) Etymology: New Latin columbium + English -ite : a black mineral that is essentially an iron columbate (Fe,Mn)(Cb,Ta)₂O₆ grading into tantalite and having a bright submetallic luster (hardness 6, specific gravity 5.4-6.5)
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