gemstone
Tiger's Eye
Silicon dioxide with crocidolite, SiO2
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, golden to brown color, silky luster, and fibrous crystal structure with chatoyancy.
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Physical properties
Hardness of 7 on the Mohs scale, golden to brown color, silky luster, and fibrous crystal structure with chatoyancy.
Formation & geological history
Formed as a pseudomorph when quartz replaces fibrous crocidolite asbestos, typically in Precambrian metamorphic environments.
Uses & applications
Widely used in cabochons, beads, decorative carvings, and metaphysical jewelry collections.
Geological facts
Its unique cat's-eye reflection is caused by the parallel alignment of fibrous mineral inclusions within the quartz matrix.
Field identification & locations
Easily identified by its distinctive golden-brown stripes and shifting light reflection when moved; found mainly in South Africa and Australia.
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