アメトリンMeanings1nounametrinechemistryA variety of quartz that combines amethyst and citrine, used as a gemstone. Technical term in chemistry and mineralogy.アメトリンはアメジストとシトリンの両りょう方ほうの色いろを持もつ珍めずらしい宝ほう石せきです。Ametrine is a rare gemstone that has the colors of both amethyst and citrine.