Găd'o-lin-ite, n.
n. (Min.) A mineral of a black or greenish-black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron;— so called from Prof. Gadolin, a Russian chemist.
n. (Min.) A mineral of a black or greenish-black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron;— so called from Prof. Gadolin, a Russian chemist.