Tiger's Eye
Tiger's Eye is a gemstone with the chemical formula SiO2. It has a Mohs hardness of 7 and silky to vitreous luster.
Tiger's Eye properties
| Type | Gemstone |
|---|---|
| Chemical formula | SiO2 |
| Mohs hardness | 7 |
| Luster | Silky to vitreous |
| Typical colors | Golden to reddish-brown, often with a chatoyant effect |
| Formation | Metamorphic rock formed from the alteration of crocidolite (blue asbestos) into quartz |
| Rarity | 4 / 10 |
Mohs hardness 7 — hard
1 · Talc5 · Apatite10 · Diamond
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