Noah Webster
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.
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.