Dictionary

gadolinite

noun gad·o·lin·ite \ˈga-də-lə-ˌnīt\

Definition of GADOLINITE

:  a black or brown mineral that is a source of rare earths and consists of a silicate especially of iron, beryllium, yttrium, cerium, and erbium

Origin of GADOLINITE

German Gadolinit, from Johann Gadolin †1852 Finnish chemist
First Known Use: 1802

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