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A dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
Answer for the clue "A dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals ", 11 letters:
fergusonite
Word definitions for fergusonite in dictionaries
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
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.
WordNet
Word definitions in WordNet
n. a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
Wiktionary
Word definitions in Wiktionary
n. A mineral composed of oxides of various rare earth elements.
Wikipedia
Word definitions in Wikipedia
Fergusonite is a mineral comprising a complex oxide of various rare earth elements. The chemical formula of fergusonite species is (Y,RE)NbO, where RE = rare-earth elements in solid solution with Y. Yttrium is usually dominant (the species fergusonite-(Y)), ...