Erbium (Er)

Erbium (Er) is contained in the following rare earth mineral:

• Xenotime

• Euxenite

• Fergusonite

Another rare earth with nuclear applications, erbium can be found in neutron-absorbing control rods. It is a key component of high-performance fiber optic communications systems, and can also be used to give glass and other materials a pink color, which has both aesthetic and industrial purposes. Erbium can also help create lasers, including some used for medical purposes.

References

• 1. https://en.wikipedia.org

  2. https://kv.wikipedia.org/wiki/%D0%AD%D1%80%D0%B1%D0%B8%D0%B9

  3. http://images-of-elements.com/erbium.php