mineral
Tiger's Eye
Silicon Dioxide with Crocidolite inclusions (SiO2)
AI-generated identification · may be incorrectMohs hardness of 7; yellow, brown, and golden-brown colors with a chatoyant luster; microcrystalline quartz structure.
Identified More mineral →
Explore Tiger's Eye in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Mohs hardness of 7; yellow, brown, and golden-brown colors with a chatoyant luster; microcrystalline quartz structure.
Formation & geological history
Formed when quartz replaces crocidolite asbestos fibers during low-grade metamorphism, preserving the fibrous structure.
Uses & applications
Widely used in cabochons, beads, decorative carvings, and as a popular collector's gemstone.
Geological facts
The distinctive shimmering effect, known as chatoyancy, is caused by parallel iron-oxide-stained fibers reflecting light.
Field identification & locations
Identified by its golden silk-like sheen and banded appearance; commonly mined in South Africa and Australia.
