also: あめしすと
noun
Refers to the purple variety of quartz used as a gemstone. Also used as a birthstone for February.
彼女はアメジストの指輪をはめている。
She is wearing an amethyst ring.
アメジストは2月の誕生石です。
Amethyst is the birthstone for February.
Standard katakana spelling for the gemstone.
Variant spelling; less common but still encountered.
Borrowed from English 'amethyst', ultimately from Greek 'amethystos' meaning 'not intoxicated', as the stone was believed to prevent drunkenness.