Description and Characteristics
Hawk's Eye (also known as Blue Tiger's Eye) is the primary, unaltered form of Tiger's Eye. It forms when quartz gradually replaces fibers of a mineral called crocidolite (blue asbestos) while maintaining its fibrous structure. Unlike Tiger's Eye, where iron has oxidized to give golden tones, in Hawk's Eye, the iron remains in a state that preserves its deep grayish-blue or petrol blue color. It features spectacular chatoyancy: an iridescent band of light that travels across the stone when moved, mimicking the piercing gaze of a bird of prey. It is a hard, opaque stone that, when cut into a cabochon, shows its full silky depth.
| Chemical Formula | $$SiO_{2}$$ |
|---|---|
| Luster | Silky |
| Streak | White |
| Fracture | Fibrous |
| Cleavage | It doesn't have |
| Hardness | 7 Mohs |
| Crystal System | Trigonal |
Did you know...?
It is less common than Tiger's Eye and is often found in the same mines, forming intermediate layers. It is called "Hawk's Eye" because its bluish shimmer resembles the eye of these birds when they hunt. It is a highly valued gem in men's jewelry due to its understated elegance and metallic flashes. To cleanse it energetically, it is recommended to expose it to starlight or moonlight, as its energy is cooler and more nocturnal than that of Tiger's Eye (solar) or Bull's Eye (earthy).
New-Age Properties
Hawk's Eye is known as the stone of "perspective" and far-sightedness. It is linked to the third eye chakra, helping to view problems from a greater height to find objective solutions. It is said to help dispel negative and restrictive thought patterns. Spiritually, it is a stone of protection against the "evil eye" and envy, acting as a lookout that alerts to hidden dangers. Mentally, it brings clarity for making difficult decisions and helps connect facts logically, making it ideal for people needing focus and a clear vision of their future.