It is soft, malleable, silvery metal. Reacts slowly with water. Dissolves in acids. Metal ignites and burns readily. USI Erbium is found with other heavier rare earths in xenotime and euxerite.
Erbium oxide is used in ceramics to obtain a pink glaze.
Also a few uses in the nuclear industry and as an alloying agent for other exotic metals. If you have comments, correction or suggestions about this site, please send me an e-mail .