gemstone
Tiger's Eye
Silicon dioxide with crocidolite inclusions (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, distinct golden-brown color with chatoyant bands, and a silky luster.
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Physical properties
Hardness of 7 on the Mohs scale, distinct golden-brown color with chatoyant bands, and a silky luster.
Formation & geological history
Formed when quartz chemically replaces fibrous blue asbestos (crocidolite) over millions of years.
Uses & applications
Widely used in making cabochons, beads, rings, and ornamental carvings.
Geological facts
The characteristic cat's eye effect (chatoyancy) is caused by the parallel alignment of fibrous inclusions.
Field identification & locations
Easily identified by its golden-brown stripes and silky reflection when moved in the light, commonly sourced from South Africa and Australia.
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