Emerald
Emerald is a gemstone with the chemical formula Be3Al2(SiO3)6. It has a Mohs hardness of 7.5 - 8 and vitreous luster.
Emerald properties
| Type | Gemstone |
|---|---|
| Chemical formula | Be3Al2(SiO3)6 |
| Mohs hardness | 7.5 - 8 |
| Luster | Vitreous |
| Typical colors | Green, varying from light to deep green |
| Formation | Formed in metamorphic rocks and deposits through hydrothermal processes |
| Rarity | 7 / 10 |
Mohs hardness 7.5–8 — hard
1 · Talc5 · Apatite10 · Diamond
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