The word amethyst comes from the Greek meaning "without drunkenness" and amethyst is believed to protect one from poison.
It is used as a dream stone and to help insomnia. Put an amethyst under your pillow to bring about pleasant dreams, or rub it across your forehead to offer relief from a headache.
Ancient Egyptians used the amethyst guard against guilty and fearful feelings. It has been worn as protection from self-deception, as well as a protection against witchcraft. The amethyst has long been used to open the spiritual and psychic centers, making it one of the power stones. It is also used as a meditation aid when worn as a necklace.