Beryl (Emerald) vs Sulfur
| Property | Beryl (Emerald) | Sulfur |
|---|---|---|
| Formula | Be3Al2(SiO3)6 | S |
| Crystal System | Hexagonal | Orthorhombic |
| Mineral Class | 09 Silicates | 01 Native Elements |
| Mohs Hardness | 7.5-8.0 | 1.5-2.5 |
| Color | Green (emerald), blue (aquamarine), pink (morganite), yellow (heliodor) | Bright yellow, brownish yellow |
| Luster | Vitreous | Resinous |
| Streak | Colorless | White |
| Transparency | Transparent | Transparent |
| Cleavage | Poor {0001} | Poor {001}, {110} |
| Fracture | Conchoidal to uneven | Conchoidal to uneven |