Amethyst is purple quartz and is a meditative and calming stone. It's known to assist in the emotional, spiritual, and physical planes to provide calm, balance, patience, and peace.
Kunzite in its light violet hues, is a Stone of Emotion, opening and connecting the heart to the mind and stimulating a healing communion between the two. Releasing the walls around the heart.
Tanzanite is known to increase intuition and perception.