The ancient greeks once wore amethyst to promote sobriety. Hebrews called it the “dream stone.” Medieval soldiers wore it to promote healing and calmness of mind. Amethyst is a kind of quartz turned purple, symbolizing royalty and power. It also has come to symbolize courage and is the stone of February. The stone of clarity, it boosts perception while warding off evil thoughts. Spiritualists recommend the stone to those that seek to strengthen relationships, attract love or open one’s heart.