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Gadolinite

Gadolinite is a mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of erbium, yttrium, cerium, beryllium and iron. It is a source of rare earth metals.



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1904

... February 1 - S. J. Perelman[?], humorist, author February 4 - MacKinlay Kantor[?], historian (+ 1977) February 5 - Walter Gross[?], cabaretist (+ 1989) February 7 - ...

 
 
 
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