chatoyant

 
Pronunciation: /ʃəˈtɔɪənt/

adjective

  • (of a gem, especially when cut en cabochon) showing a band of bright lustre caused by reflection from inclusions in the stone.

Derivatives

chatoyance

noun

chatoyancy

noun

Origin:

late 18th century: French, present participle of chatoyer 'to shimmer'