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单词 gadolinite
释义 gad·o·lin·ite
\ˈgadələˌnīt\ noun
(-s)
Etymology: German gadolinit, from Johann Gadolin died 1852 Finn. chemist + German -it -ite
: a mineral mainly Be2FeY4Si2O13 that is a source of rare earths and consists of a black or brown vitreous silicate of iron, beryllium, yttrium, cerium, and erbium (hardness 6.5-7, specific gravity 4-4.5)
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