Crystalline quartz in shades of purple, lilac or mauve is called amethyst, a stone traditionally worn to guard against drunkeness and to instill a sober mind. The word amethyst comes from the Greek meaning "without drunkenness" and amethyst is beleived 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.

Amethyst is a gemstone often worn by healers, as it has the power to focus energy. Its used for problems in the blood and in breathing problems. The crystal clusters are used to keep the air and life force in the home clean and positive.

Amethyst clusters, points or several tumbled Amethysts placed in a window that receives sun most of the day are very beneficial to use in healing. Place Amethyst clusters, points or several tumbled Amethysts in moonlight and everyone in the home will be feeling calmer. Using an Amethyst as a meditation focus will increase the positive spiritual feelings. Amethyst helps overcome fears and cravings. It also helps relieve headaches.