Ruby
Physical properties
Composition | Al203 + Cr2O3 |
---|---|
density | 3.99 – 3.98 g/cm3 |
Hardness | Mohs 9 Knoop 2200 face // 1800 face ┴ C-axis |
Size | 0.127 to 15.00 mm |
Composition | Al203 + Cr2O3 |
---|---|
density | 3.99 – 3.98 g/cm3 |
Hardness | Mohs 9 Knoop 2200 face // 1800 face ┴ C-axis |
Size | 0.127 to 15.00 mm |