ABOUT Amethyst

  • Amethyst is a violet variety of quartz often used in jewelry. Amethyst occurs in primary hues from a light pinkish violet to a deep purple. Amethyst may exhibit one or both secondary hues, red and blue.

Color Purple, violet
Mohs scale hardness 7–lower in impure varieties
Specific gravity 2.65
Refractive index 1.543 – 1.553