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Answer for the clue "A mineral that is a source of rare earths ", 10 letters:
gadolinite

Alternative clues for the word gadolinite

Word definitions for gadolinite in dictionaries

Wikipedia Word definitions in Wikipedia
Gadolinite , sometimes known as Ytterbite , is a silicate mineral consisting principally of the silicates of cerium , lanthanum , neodymium , yttrium , beryllium , and iron with the formula (Ce,La,Nd,Y)FeBeSiO. It is called gadolinite-(Ce) or gadolinite-(Y), ...

Wiktionary Word definitions in Wiktionary
n. (context mineral English) A dark, vitreous mineral that is a complex mixture of silicates of cerium, lanthanum, neodymium, yttrium, beryllium, and iron, with the chemical formula (cerium,lanthanum,neodymium,yttrium) 2 ironberyllium 2 silicon 2 oxygen ...

WordNet Word definitions in WordNet
n. a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium [syn: ytterbite ]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Gadolinite \Gad"o*lin*ite\, n. [Named after Gadolin, a Russian chemist.] (Min.) A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron.

Usage examples of gadolinite.

The minerals in question are gadolinite and xenotime, sources of the so-called rare-earth elements.