INDEX NEXT UP PREVIOUS ATG Yttrium (Y) Yttrium (Y)


GARNET
Atomic Number: 39
Atomic Weight: 88.91
Melting Point: 1522
Boiling Point: 3383
Specific Gravity: 4.469
Valence(s): 3
Yttria (earth containing Yttrium) was discovered by Gadolin in 1794. Yttrium was isolated by Wohler in 1828. Monazite sand and bastnasite are principal sources. Yttrium is used with Europium to make red phosphors in TV tubes. It is found in garnet, a gemstone. Yttrium is also used to increase the strength of Aluminum and Magnesium alloys.
[LM] {RW}


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