cleveite


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cleveite

(ˈkliːvaɪt)
n
(Minerals) a crystalline variety of the mineral uranitite
[C19: named after P. T. Cleve (1840–1905), Swedish chemist; see -ite1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Eventually, William Ramsay would isolate helium from cleveite [131-133], and the Sun would be credited for providing the first indication that helium existed.
"Cleveite" a REE-bearing variety of uraninite was named for him by Nordenskiold in 1878.