mineral
Tiger's Eye
Silicon dioxide with crocidolite inclusions (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, golden-brown to brownish-red color with a silky luster, and a microcrystalline quartz crystal structure.
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Physical properties
Hardness of 7 on the Mohs scale, golden-brown to brownish-red color with a silky luster, and a microcrystalline quartz crystal structure.
Formation & geological history
Formed through the pseudomorphous replacement of crocidolite (blue asbestos) by silica-rich solutions over millions of years.
Uses & applications
Widely used in jewelry, cabochons, carvings, and decorative ornamental objects.
Geological facts
Tiger's eye exhibits a distinct chatoyancy (cat's eye effect) caused by the parallel arrangement of quartz fibers.
Field identification & locations
Identified by its characteristic golden-brown bands and shifting band of light; primarily sourced from South Africa and Australia.
