緑りょく玉ぎょく髄ずい

noun

chrysoprase

A green variety of chalcedony used as a gemstone. Technical term in mineralogy and jewelry.

• 緑りょく玉ぎょく髄ずいは、その美うつくしい緑みどり色いろで知しられる宝ほう石せきです。

  Chrysoprase is a gemstone known for its beautiful green color.