| Zirconia nanoparticles stabilized with yttria are used to solve this problem. |
| In 1794 Finnish chemist Johan Gadolin isolated yttria, a new earth or metallic oxide, from a mineral found at Ytterby, Sweden. |
| This reaction distinguishes the members of the yttria group from most of the other earths. |
| A rare metal found by Prof. Mosander, associated with erbium and yttrium in ordinary yttria. |
| Yttria occurs only in a few rare minerals, and usually in company with terbium and erbium. |
| In 1797 Ekeberg showed that gadolinite contained another rare earth, which was given the name yttria. |
