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Yttrium never occurs in nature as a free element. It is found in almost all rare earth minerals and in uranium ores. The yellow-brown ore xenotime can contain as much as 50% yttrium phophate (YPO4) and is mined in Malaysia.
He found it contained 31% silica, 19% alumina, 12% iron oxide and 38% of an unknown earth. (3) Gadolinâs results were confirmed in 1797 by Swedish chemist Anders Ekeberg. Ekeberg suggested the name yttria for the oxide of the new earth metal and hence the new metal was named yttrium.