chatoyancy
/ʃəˈtɔɪənsi/
noun
- The quality or state of having a changing, shimmering luster or color, like that of a cat's eye or certain gemstones.
- Geologists study chatoyancy to identify certain types of minerals.
- Silk fabric can display a beautiful chatoyancy when light hits it at the right angle.
- The chatoyancy of the tiger's eye gem makes it popular in jewelry.
Synonyms