Amethyst belongs to the semi precious group of gemstones, Amethyst is the purple variety of quartz and the most valued member of the quartz family. It must be purple to be amethyst, but it can display a range of shades including deep purple, light lilac, lavender and mauve.
Tiffany’s 18K gold ring with octagonal amethyst.
Fun fact: Amethyst is the official birthstone for February as adopted by the American National Association of Jewelers in 1912. It is also the birth stone for the Zodiac sign of Pisces.