AMETHYST

Amethyst is a violet variety of quartz. The name comes from the Koine Greek ἀμέθυστος amethystos from ἀ- a-, "not" and μεθύσκω methysko / μεθύω methyo, "intoxicate", a reference to the belief that the stone protected its owner from drunkenness.



Color: Purple
Luster: Vitreous
Birthstone zodiac sign: Aquarius
Associated month: February
Crystal system: Hexagonal crystal system
Chemical formula: SiO₂