gemstone
Tiger's Eye
Silicon dioxide with crocidolite inclusions (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, golden-brown to blue-gray color, silky luster, and a fibrous crystal structure displaying chatoyancy.
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Physical properties
Hardness of 7 on the Mohs scale, golden-brown to blue-gray color, silky luster, and a fibrous crystal structure displaying chatoyancy.
Formation & geological history
Formed when quartz pseudomorphs after crocidolite asbestos fibers, typically in metamorphic environments.
Uses & applications
Widely used for making polished beads, cabochons, carvings, and decorative jewelry.
Geological facts
The blue variety is often called Hawk's Eye, and the red variety is known as Dragon's Eye.
Field identification & locations
Easily identified by its characteristic shifting band of light (chatoyancy) and is commonly sourced from South Africa and Australia.
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