The list of violet and purple gemstones is quite short. Amethyst is the classic example, though fluorite can also be found in an amethyst-like purple. There are wonderful violet hues in spinel, tourmaline and sapphire. Chalcedony frequently occurs in a unique lavender hue.
Some purple gemstones include: Amethyst, Purple Diamond (shown below), Chalcedony, Purple Tourmaline, Fluorite, Spinel, and Purple Sapphire