amethyst 100% natural.
Amethyst is a stone of spiritual protection and purification.
Cleansing one's energy field of negative influences and attachments. It creates a resonant shield of spiritual light around the body.
Amethyst crystal is one of several varieties of quartz.
Its lavender to violet shade is the result of iron and aluminum deposits, as well as natural irradiation. Amethyst stone is made up of silicon dioxide.