What's the difference between pleochroism and polychroism?
Pleochroism
Definition:
(n.) The property possessed by some crystals, of showing different colors when viewed in the direction of different axes.
Example Sentences:
(1) X-ray pleochroism is observed near the Se K absorption edge in a monoclinic crystal of selenolanthionine monohydrate using linearly polarized synchrotron radiation and is explained by a simple molecular-orbital model.