
Amethyst is a violet variety of quartz. The name comes from the Koine Greek αμέθυστος amethysts from α- a-, "not" and μεθύσκω methysko / μεθώ metho, "intoxicate", a reference to the belief that the stone protected its owner from intoxication. Amethyst is a reflective and calming gem that operates insensitive, religious, and natural planes
Color: Purple
Luster: Vitreous
Birthstone zodiac sign: Aquarius
Associated month: February
Crystal system: Hexagonal crystal system
Chemical formula: SiO₂