Amethyst is a member of the Quartz family with a trigonal crystal system and a hardness of 7. Its color, which varies from pale to deep purple, is derived from the combination of trace amounts of iron and aluminum. Amethyst crystals and gem rough are found in Brazil, Bolivia, Mexico, Africa, Canada, Russia, the USA and Europe.
Amethyst is a stone of spiritual protection and purification. It can be an aid to curbing overindulgence and giving up bad habits.