Amethyst is a well known mineral and gemstone. It is the purple variety of the mineral Quartz, and its most valuable and prized variety. Its name derives from the Greek "amethystos", which means "not drunken", as Amethyst in antiquity was thought to ward off drunkenness. The color of some Amethyst specimens from certain localities slowly fade upon prolonged exposure to light. When used as a gemstone, Amethyst is often heat treated to deepen the color, or to transform it into.Citrine Some varieties may also change to a light green color, which is given the trade name "Prasiolite", or "Green Amethyst", as it is more commonly known in the gem trade.

Amethyst is most prevalent as smal lpyramial crystals, although several localities such as the Mexican occurrences are well-known for producing elegantly tall prismatic crystals, which are very highly regarded by collectors. Amethyst also forms the internal lining of geodes, some of which can be over 10 feet tall and weighing several tons.

Amethyst is a powerful and protective stone. It guards against psychic attack, transmuting the energy into love and protecting the wearer from all types of harm, including geopathic or electromagnetic stress and ill wishes from others. Amethyst is a natural tranquiliser, it relieves stress and strain, soothes irritability, balances mood swings, dispels anger, rage, fear and anxiety. Alleviates sadness and grief, and dissolves negativity. Amethyst activates spiritual awareness, opens intuition and enhances psychic abilities. It has strong healing and cleansing powers. Amethyst encourages sobriety, having a sobering effect on overindulgence of alcohol, drugs or other addictions. It calms and stimulates the mind, helping you become more focused, enhancing memory and improving motivation. Amethyst assists in remembering and understanding dreams. It relieves insomnia. Encourages selflessness and spiritual wisdom.