Gadolinite
Pronunciation : Gad"o*lin*ite
Part of Speech : n.
Etymology : [Named after Gadolin, a Russian chemist.] (Min.)
Definition : Defn: A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron.
Source : Webster's Unabridged Dictionary, 1913
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