Tiger's Eye
Thailand
13.6 carats
© gemselect.com
Tiger's Eye is widely used as an ornamental and lapidary rock.
Tiger's Eye Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
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Tiger's Eye Gemstones by Size
This table shows distribution of Tiger's Eye gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:5.27 cts
Heaviest:511.94 cts
Average:40.81 cts
Total photos:32
Do you have a larger Tiger's Eye? Why not upload a photo?
| General Information | ||||||
|---|---|---|---|---|---|---|
| A variety or type of: | Quartz | |||||
| Varieties/Types: | ||||||
| Chemical Formula |
| |||||
| Tiger's Eye Treatments | ||||||
| May be bleached to lighten the color and dyed to any color. Also heat-treated to produce the dark red "Bull's eye" - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 7 | ||||||
| Physical Properties of Tiger's Eye | ||||||
| Mohs Hardness | 6.5 to 7, Gemstones of the world (2001) More from other references | |||||
| Specific Gravity | 2.58 to 2.64, Gemstones of the world (2001) More from other references | |||||
| Cleavage Quality | None, Gemstones (2009) | |||||
| Fracture | Conchoidal, Gems, Sixth Edition (2006) | |||||
| Optical Properties of Tiger's Eye | ||||||
| Refractive Index | 1.534 to 1.540, Gemstones of the world (2001) More from other references | |||||
| Optical Character | Uniaxial/+, Gemmological Tables (2004) | |||||
| Birefringence | None, Gemstones of the world (2001) | |||||
| Pleochroism | Absent, Gemstones of the world (2001) | |||||
| Dispersion | None, Gemstones of the world (2001) | |||||
| Chatoyancy | Chatoyant, Blue Chart Gem Identification (2010) | |||||
| Colour | ||||||
| Colour (General) | Gold-yellow, gold-brown, Gemstones of the world (2001) More from other references | |||||
| Transparency | Opaque, Gemstones of the world (2001) More from other references | |||||
| Lustre | Vitreous, Management Team (2012) | |||||
| Fluorescence & other light emissions | ||||||
| Fluorescence (General) | None, Gemstones of the world (2001) | |||||
| Crystallography of Tiger's Eye | ||||||
| Crystal System | Trigonal, Management Team (2012) | |||||
| Habit | Fibrous aggregate, Gemstones of the world (2001) | |||||
| Further Information | ||||||
| Mineral information: | Tiger's Eye information at mindat.org | |||||