Buy Howlite from Crystals By Nature. Howlite is most commonly used to reduce anxiety, tensions and aid in stress disorders. White with grey hues, Howlite is sometimes dyed blue or green, often confused with the stone Turquoise. While facilitating awareness and encouraging emotional expression, Howlite is known as a "Wonder Stone" as it decreases state of mind and brings utmost relaxation to those around it. Heighten your creativity and expression with Howlite today!