Wednesday, November 04, 2020

Cat’s-Eye Andradite

GIA Lab Notes. This optical phenomenon is common in many gemstone species, and the demantoid variety of andradite garnet has been known to display cat's eye-like effect.


Useful link: https://www.gia.edu/gems-gemology/summer-2020-labnotes-cats-eye-andradite

No comments:

Post a Comment