| 单词 | wolframite |
| 释义 | Word Frequency wolframite(ˈwʊlfrəˌmaɪt) noun a black to reddish-brown mineral consisting of tungstates of iron and manganese in monoclinic crystalline form: it occurs mainly in quartz veins and is the chief ore of tungsten. Formula: (Fe,Mn) WO4 |
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