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Basalt
Basalt is a volcanic rock and can be found in black or near-black gray colors. This homogeneous rock has a hardness of 6.5-7 Mohs and is very durable.
Areas of Use:
| Chemical Structure | SiO2 : 57 – 65 Al2O3 : 16 – 20 |
| Specific Gravity | 2,7 gr/cm3 |
| MOHS' Hardness | 6 – 7 |
| Color | Black |
| 0 – 500 µm | 0 – 1000 µm |
| 500 – 1000 µm | 1000 – 2000 µm |
| 400 – 2800 µm | 1000 – 3000 µm |
| 2000 – 4000 µm |
