| Yttrium Compounds |
| Yttrium aluminium garnet |
| Yttrium(III) oxide |
Yttrium aluminium garnet Y3Al5O12 |
| A synthetic crystalline material of the garnet group, used as the active laser medium in various solid-state lasers.. |
| It also finds use in jewellery as a diamond simulant. Coloured variants are faceted and valued (as synthetics) for their clarity, durability, high refractive index and dispersion. |