Where is Tiger's Eye found?
Tiger's Eye (variety of Chalcedony/Quartz)
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Open the appTiger's Eye occurs in specific geological environments. Knowing where to look, and in what kind of rock, is the difference between going home empty-handed and finding a great specimen.
Where to find Tiger's Eye
South Africa
The primary and most significant source, particularly in the Griqualand West region, where vast deposits are found in banded iron formations.
Australia
Deposits are found in Western Australia, often associated with iron ore deposits.
India
Smaller occurrences have been noted.
Myanmar (Burma)
Known for some deposits.
United States
Limited occurrences in states like Arizona and California.
Collecting tips
- Look for Metamorphic Terrains. Tiger's Eye is found in regions with ancient metamorphic rocks, particularly banded iron formations. Research geological maps of such areas.
- Identify Associated Minerals. It often occurs with other iron-rich minerals and sometimes remnants of the original crocidolite (Hawk's Eye). Be aware of the potential presence of asbestos (crocidolite) in its unaltered form.
- Observe Chatoyancy. The most distinctive feature is its chatoyancy. Look for the moving band of light when rotating a specimen under a light source. This is best observed on fractured or polished surfaces.
- Check for Fibrous Structure. On unpolished or broken surfaces, a fine fibrous texture might be discernible, indicating its pseudomorphic origin.
Quick Check
- Color:
- Golden-yellow to reddish-brown with chatoyancy
- Luster:
- Silky to vitreous
- Streak:
- White
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