gemstone
Blue Tiger's Eye
Silicon dioxide with crocidolite inclusions (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, blue-grey to deep blue color, silky luster, hexagonal crystal system, specific gravity of 2.64-2.71.
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Physical properties
Hardness of 7 on the Mohs scale, blue-grey to deep blue color, silky luster, hexagonal crystal system, specific gravity of 2.64-2.71.
Formation & geological history
Formed as a pseudomorph of quartz replacing the mineral crocidolite through hydrothermal alteration and silicification.
Uses & applications
Widely used in beaded jewelry, ornamental carvings, and holistic healing practices.
Geological facts
Also known as Hawk's Eye or Falcon's Eye, the blue variety is rarer than the classic golden-brown Tiger's Eye.
Field identification & locations
Identified by its chatoyancy, a moving band of reflected light caused by parallel fibrous inclusions.
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