Amethyst is the birthstone for February and is a vibrant violet purple color. Amethyst belongs to the quartz group of minerals and is very valuable and precious. Amethyst receives its purple color from aluminum and iron impurities. Amethyst has many powers but especially to soothe and stimulate emotions and the mind. It allows the logic of sobriety and restraint but conveys the energy of passion and fire, spirituality and resourcefulness.