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Variety · Silicate

Tiger's Eye

SiO₂

Chatoyant quartz pseudomorph after crocidolite asbestos.

Hardness7
Crystal systemTrigonal
ClassSilicate
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Tiger's Eye specimen

Tiger's eye gems. Mauro Cateb, Brazilian jeweler. www.maurocateb.com.br — Photo: Mauro Cateb · CC BY-SA 3.0

Tiger's Eye

Also known as: Tiger eye, Hawk's eye (blue).

Golden chatoyant quartz — crocidolite fibers replaced by quartz, giving the shimmering 'eye' band.

Intro adapted from Wikipedia (CC BY-SA).

Tiger's Eye is a mineral variety of Quartz, with the chemical formula SiO₂.

It crystallizes in the trigonal crystal system.

Key properties: Mohs hardness 7; typically brown or yellow.

Collections: Gemstones.

Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet. Browse more T minerals or help write this entry.