| Melting point |
4440°C |
| Boiling point |
4827℃ [COT88] |
| Density |
3.5 g/mL at 25 °C (lit.) |
| bulk density |
0.2-0.7g/mL |
| refractive index |
nD20 2.4173 |
| solubility |
insoluble in H2O |
| form |
synthetic polycrystalline powder |
| color |
Clear, Impurities (i.e. Nitrogen) and irradiation can change color to yellow, green, blue, pink, or brown. |
| Crystal Structure |
Cubic, Diamond - Space Group Fd3m |
| Merck |
14,2987 |
| Stability |
Stable. |
| Hardness, Knoop |
8000 |
| Hardness, Mohs |
10 |
| Modulus of Elasticity |
700 - 1200 GPa |
| Poissons Ratio |
0.10 - 0.29 |
| Knoop Microhardness |
58 - 88, GPa; (110),(111) faces
79, GPa
56 - 102, GPa; (001) face |
| Vickers Microhardness |
98, in GPa; (111) face
88 - 147, in GPa; (001) face |
| EPA Substance Registry System |
Diamond (7782-40-3) |
