Hawk's Eye (Quartz) Gemstones

  • Hardness

    7.0 on the Mohs scale.

  • Occurrence

    Sri Lanka (Ceylon), India, Brazil, South Africa, Australia, and the U.S.

  • Appearance

    Chatoyancy, appearing in these varieties of quartz, is caused by fibrous inclusions of crocidolite. Blue-rey or bluish in appearance.

  • Enhancements

    Crocidolite is not enhanced.

    More information on gemstone enhancements.

  • Gemstone Family

    Hawk's Eye is a member of the Quartz gemstone family.

Crocidolite (Hawk's Eye)
Crocidolite (Hawk's Eye)

18.70 ct.
20.8x12.7mm Cabochon, Rectangle Cut
Extremely Dark
Moderately Strong Blue
[N] Not enhanced.
With a golden brown stripe. With a very good eye.
Hawk's Eye Crocidolite Display Only (sold)