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euxenite 黑稀金礦 黑稀金礦 Euxenite \Eux"e*nite\, n. [Gr. ? hospitable. So named because it
contains a number of rare elements.] (Min.) A brownish black mineral with a metallic luster, found in Norway. It contains niobium, titanium, yttrium, and uranium, with some other metals. [1913 Webster]
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