Found 2 items, similar to gadolinite.
English → English (WordNet) Definition: gadolinite gadolinite n : a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium [syn: ytterbite]
English → English (gcide) Definition: Gadolinite Gadolinite \Gad"o*lin*ite\, n. [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. [1913 Webster]