chrysoprase
/ˈkrɪsəˌpreɪz/
noun
- A green variety of chalcedony (a type of quartz) used as a gemstone.
- She wore a ring set with a polished chrysoprase that matched her eyes.
- He added a small chrysoprase to his mineral collection because of its unique hue.
- The ancient Greeks prized chrysoprase for its apple-green color.