Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A dark green or greenish-black silicate mineral, Be2FeY2Si2O10, containing several of the rare earths in combination with iron.
from The Century Dictionary.
- noun A mineral, a silicate of the yttrium and cerium metals, containing also beryllium and iron.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A dark, vitreous
mineral that is a complex mixture ofsilicates ofcerium ,lanthanum ,neodymium ,yttrium ,beryllium , andiron , with thechemical formula (Ce ,La ,Nd ,Y )2Fe Be 2Si 2O 10.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[After Johan Gadolin, (1760–1852), Finnish chemist.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
After the Finnish chemist Johan Gadolin (1760-1852), + -ite.
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Examples
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In 1879 a Swedish chemist named Lars Fredrik Nilson was looking for rare earth elements in the minerals euxenite and gadolinite when he discovered erbium and ytterbium; scandium was later separated from the ytterbium.
Scandium 2008
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In this mineral - later called gadolinite, after him - he had found a hitherto unknown earth, the so-called yttria.
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Yttria is found in gadolinite and some other rare minerals.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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