Rock Identifier
Tiger's Eye Beads (Silicon dioxide with crocidolite inclusions (SiO2)) — gemstone
gemstone

Tiger's Eye Beads

Silicon dioxide with crocidolite inclusions (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, golden-brown to multicolored hues due to artificial dyeing, silky luster, and distinct chatoyant optical effect.

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Physical properties

Hardness of 7 on the Mohs scale, golden-brown to multicolored hues due to artificial dyeing, silky luster, and distinct chatoyant optical effect.

Formation & geological history

Formed when quartz pseudomorphs over crocidolite asbestos, subsequently cut and dyed into polished beads in global manufacturing centers.

Uses & applications

Widely used in jewelry making, beadwork, and ornamental crafts for its striking chatoyancy and colorful appearance.

Geological facts

Natural tiger's eye is golden-brown, but it is frequently heat-treated or acid-dyed to produce vibrant blue, green, red, and yellow bead varieties.

Field identification & locations

Identified by its signature moving band of light (chatoyancy) and spherical drilled shape; commonly sourced from South Africa and Australia.