gadolinite

gadolinite has 2 senses in the JumbleFix dictionary. Letters: 10.

Definitions

• n.. A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron.
• n.. a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium