You can buy pure Yttrium (Yttrium-39 ..not an isotope) on Amazon
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Note it's the yttrium oxide, or yttrium vanadate (YV04) used for red crt color?
or Yttrium doped with europium, to create phosphors.
Yttrium aluminum garnet, with a hardness of 8.5, is sometimes used as a gemstone (substitute diamond).
(wonder if used for grinding/sanding?)
-Yttrium is relatively stable in air
-Analysis of lunar rock samples obtained during the Apollo missions showed high yttrium contents.
-The oxide, as well as yttrium vanadate (YVO4), is used with europium to make phosphors to create the red color in television tubes. Hundreds of thousands of pounds of yttrium oxide are used this way.
-It is also used to produce yttrium iron garnets, which are very effective microwave filters.
-Yttrium iron garnet is exceptionally efficient as both a transmitter and transducer of acoustic energy. Yttrium aluminum garnet, with a hardness of 8.5, is sometimes used as a gemstone (substitute diamond).
-Yttrium doped with europium is used to produce phosphors, which provide the red color in color television tubes.
-It is also used as a deoxidizer for non-ferrous metals such as vanadium.
Ytterbium Safety / Caution
-Keep out of reach from children!
-Prolong contact to Yttrium may lead to skin irritation.
-Yttrium may be slightly toxic if ingested
-Do not breath in metal dust.
-Metallic Yttrium dust presents a can catch fire and or explode when ignited. keep away from ignition sources.
-When working with Yttrium it is a good idea to always have some type of eye protection, mouth protection and gloves on