单词 | gadolinite |
释义 | Word Frequency gadolinite(ˈɡædəlɪˌnaɪt) noun a rare brown or black mineral consisting of a silicate of iron, beryllium, and yttrium in monoclinic crystalline form. Formula: 2BeO.FeO.Y2O3.2SiO2 Also called: ytterbiteWord origin C19: named after Johan Gadolin (1760–1852), Finnish mineralogist |
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