chatoyant

/ʃəˈtɔɪənt/
adjective
  1. Having a changing, shimmering luster or color, like that of a cat's eye or certain gemstones.
    • Mineral collectors prize chatoyant stones for their unique beauty.
    • The chatoyant fabric of her dress caught everyone's attention at the party.
    • She wore a chatoyant ring that seemed to glow from within.
noun
  1. A gemstone or material that has a changing, shimmering luster or color.
    • Many chatoyants are cut into cabochons to show their best effect.
    • He bought a rare chatoyant from the gem fair.
    • The jeweler displayed a collection of chatoyants in the window.
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