CHATOYANT
- changing in luster or color.
- (French) having a changeable luster like that of a cat's eye at night [adj] / a chatoyant gemstone, such as a cat's eye [n -S]
- changing in luster or color
- reflecting a single streak of light when cut in a cabochon
- cabochon-cut gemstone having this reflected streak, as a chrysoberyl cat's-eye