Star Amethyst Radiance: Celestial Charms in Purple Hues Star Amethyst Jewelry works well to clear the clouds in the minds of folks who suffer from headaches or hazy thoughts. Amethyst also helps people who are trying to cut back on drinking by stimulating the maintenance of a clean and sober mind. This stone serves as a continual reminder that clear thinking and mental clarity are necessary for making wise judgments in life, highlighting the fact that confusion in the mind can obstruct the way to reasoned decisions.