Tamashii Hawk Eye 6 mm BHS601-245 € 38.00 Hawk's eye stone is an opaque variant of fibrous quartz, varying from blue-grey to blue-green. It is excellent for focus, mental clarity, and deeper insight into one’s own experiences, whether good or bad. It’s a very soothing stone as it aids stress reduction, increases calmness and eases anxiety. It gives you the ability to see issues that might otherwise have been hard to see. Provides an introspective window into one's emotional issues and personal challenges. Hawk's eye is believed to be a stone of protection, often used by travellers.