adjective
- showing different colors when viewed from different directions or under different lighting conditions
Usage: mineralogy; optics
Examples
- The pleochroic mineral appeared blue from one angle and green from another.
- Geologists use pleochroic properties to help identify certain crystals.
- The pleochroic effect in the gemstone made it highly prized by collectors.
- Under polarized light, the pleochroic sample displayed striking color variations.
- Tourmaline is a well-known pleochroic mineral that changes color dramatically.
- The pleochroic behavior of the crystal helped confirm its identity.