chatoyances
/ʃəˈtɔɪənsɪz/
noun
- The qualities of having a changing, shimmering luster or color, like that of a cat's eye or certain gemstones.
- Different chatoyances appear in the silk fabric as it moves under the light.
- The gem collector could identify several chatoyances in the rare opal.
- The jeweler admired the chatoyances of the polished tiger's eye stone.