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Definisi 'gadolinite'
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English to English noun
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a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium |  | source: wordnet30
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A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron. | | source: webster1913
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