Where is Tiger's Eye found?
Tiger's Eye (a variety of Chalcedony, a cryptocrystalline form of silica, SiO2)
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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
Western Australia has notable deposits, often associated with crocidolite asbestos.
India
Smaller deposits are found in various regions.
Myanmar (Burma)
Known for some occurrences.
United States
Limited occurrences in states like California and Arizona.
Canada
Some deposits have been reported.
Collecting tips
- Look for Metamorphic Environments. Tiger's Eye is found in metamorphic terrains, particularly those with banded iron formations or areas where crocidolite asbestos was present.
- Identify Fibrous Structure. Even in rough form, look for a distinct fibrous texture. The chatoyancy might be less obvious until polished, but the parallel fibers are a key indicator.
- Observe Color and Luster. The characteristic golden-yellow to reddish-brown colors and the silky luster (even duller in rough specimens) are good clues.
- Check for Pseudomorphs. Understand that you are looking for a silicified replacement of another mineral, so the original fibrous habit will be preserved.
Quick Check
- Color:
- Golden-yellow to reddish-brown with dark bands
- Luster:
- Silky to vitreous, chatoyant
- Streak:
- White
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