Sapphire
Physical properties
Composition | Al203 |
---|---|
density | 3.99 – 3.98 g/cm3 |
Hardness | Mohs 9 Knoop 2200 face // 1800 face ┴ C-axis |
Size | 0.20 to 25.40 mm |
![saphir - Sandoz](https://sandoz.ch/wp-content/uploads/2021/06/saphir-ombre.png)
Composition | Al203 |
---|---|
density | 3.99 – 3.98 g/cm3 |
Hardness | Mohs 9 Knoop 2200 face // 1800 face ┴ C-axis |
Size | 0.20 to 25.40 mm |