Amethyst comes from quartz, and is a  remarkable purple, lilac or mauve gemstone. It is wonderful in rings, necklaces, pendants, earrings and bracelets. Amethyst is often given as a symbol of sincerity, security and peace of mind. The highest quality of Amethyst is transparent. Be careful, Amethyst often loses its color if kept out in the sun. It is used to increase spirituality. It is believed by many to have healing powers.