Beryl
Beryl is a mineral with the chemical formula Be3Al2Si6O18. It has a Mohs hardness of 7.5 - 8 and vitreous luster.
Beryl properties
| Type | Mineral |
|---|---|
| Chemical formula | Be3Al2Si6O18 |
| Mohs hardness | 7.5 - 8 |
| Luster | Vitreous |
| Typical colors | Colorless, green, blue, yellow, pink (varieties include emerald and aquamarine) |
| Formation | Forms in igneous and metamorphic rocks, often in granitic pegmatites |
| Rarity | 7 / 10 |
Mohs hardness 7.5–8 — hard
1 · Talc5 · Apatite10 · Diamond
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