A silver-white metallic element of the lanthanide
series. Discovered by P. E. Lecoq de Boisbaudran in Paris in 1886, its name
comes from the Greek dysprositos meaning "hard to get."
Its chief ores are monazite and bastnaesite.
Its capacity to absorb neutrons makes it
important in nuclear reactor control
systems; dysprosium is also in making alloys
for magnets and its compounds are used in lasers.
Its most common isotope is 164Dy
|Dysprosium. Image: ESPI
|relative atomic mass