Erbium oxide is pink.
Based on the provided reference, erbium oxide exhibits a pink color. While the reference mentions that early erbium samples might have been impure, the distinct pink color of erbium oxide is explicitly stated.
Erbium Oxide: The Pink Lanthanoid
- Erbium Oxide (Er2O3): This compound of erbium is known for its characteristic pink hue. The color is due to the way the material absorbs and reflects light.
Table of Elements and Their Color Attributes
| Element Compound | Color |
|---|---|
| Erbium Oxide | Pink |
| Terbium Oxide | Yellow |
While the question asks for the "element," it's important to clarify that elements themselves don't always have a specific color; their compounds often do. In this case, erbium oxide is the pink substance.
