gemstone
Tiger's Eye
Silicon Dioxide with Crocidolite inclusions (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, golden to brown color, silky luster, and a fibrous crystal structure showing chatoyancy.
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Physical properties
Hardness of 7 on the Mohs scale, golden to brown color, silky luster, and a fibrous crystal structure showing chatoyancy.
Formation & geological history
Formed when quartz pseudomorphs over crocidolite asbestos fibers, typically in ancient metamorphic environments.
Uses & applications
Widely used in jewelry, decorative carvings, and as a popular collector's mineral specimen.
Geological facts
The characteristic shimmering cat-eye effect is caused by parallel intergrown quartz crystals and altered amphibole fibers.
Field identification & locations
Easily identified by its distinctive golden-brown stripes and silky reflection when moved in the light; commonly sourced from South Africa and Australia.
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