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more about fergusonite
fergusonite |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Fergusonite \Fer"gu*son*ite\, n. (Min.) A mineral of a brownish black color, essentially a tantalo-niobate of yttrium, erbium, and cerium; -- so called after Robert Ferguson. From WordNet r 1.6 [wn]: fergusonite n : a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
more about fergusonite
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