Australia is a major player in the global yttrium market, producing the most yttrium of any country in the world. Yttrium is a rare earth metal used in a variety of industries, from electronics to medical applications. Australia's abundance of yttrium makes it an ideal
From Wikipedia
Yttrium is a chemical element; it has symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a rare-earth element. Yttrium is almost always found in combination with lanthanide elements in rare-earth minerals and is never found in nature as a free element. 89Y is the only stable isotope and the only isotope found in the Earth's crust.