Rock Identifier
Tiger's Eye (Silicon dioxide with crocidolite inclusion (SiO2)) — mineral
mineral

Tiger's Eye

Silicon dioxide with crocidolite inclusion (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, golden-brown to brown color, silky luster, and a microcrystalline quartz crystal structure.

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Physical properties

Hardness of 7 on the Mohs scale, golden-brown to brown color, silky luster, and a microcrystalline quartz crystal structure.

Formation & geological history

Formed as a pseudomorph when quartz replaces the original fibrous mineral crocidolite, typically occurring in metamorphic environments.

Uses & applications

Widely used in ornamental jewelry, carved decorative objects, and as a popular collector specimen.

Geological facts

Tiger's eye exhibits a distinct chatoyancy, an optical reflectance effect that resembles the slit eye of a tiger.

Field identification & locations

Easily identified by its golden-brown stripes and silky chatoyant sheen; commonly sourced from South Africa and Western Australia.