Definitions for: Fergusonite

[n] a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals

Webster (1913) Definition: 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.

See Also: atomic number 39, atomic number 68, atomic number 73, Er, erbium, mineral, Ta, tantalum, Y, yttrium

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