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gadolinite

[gad-l-uh-nahyt] /ˈgæd l əˌnaɪt/
noun
1.
a silicate mineral from which the rare-earth metals gadolinium, holmium, and rhenium are extracted.
Origin of gadolinite
1795-1805
1795-1805; named after J. Gadolin (1760-1852), Finnish chemist; see -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2018.
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gadolinite

/ˈɡædəlɪˌnaɪt/
noun
1.
a rare brown or black mineral consisting of a silicate of iron, beryllium, and yttrium in monoclinic crystalline form. Formula: 2BeO.FeO.Y2O3.2SiO2 Also called ytterbite
Word Origin
C19: named after Johan Gadolin (1760–1852), Finnish mineralogist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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