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Webster 1913 Edition

Gadolinite

Gad′o-lin-ite

,
Noun.
[Named after
Gadolin
, a Russian chemist.]
(Min.)
A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron.

Webster 1828 Edition

Gadolinite

GADO'LINITE

,
Noun.
A mineral, so called from Professor Gadolin, usually in amorphous masses of a blackish color,and having the appearance of vitreous lava. It contains a new earth called yttria.

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