Amethyst Gemstone (STP-200)

Amethyst is the purple variety of the quartz mineral species. It’s the gem that’s most commonly associated with the color purple. Amethyst’s purple color can range from a light lilac to a deep, intense royal purple, and from brownish to vivid. Amethyst also commonly shows what is called color zoning, which in the case of amethyst usually consists of angular zones of darker to lighter color.