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| Physical properties | Corresponding measured values | Ref. |
|---|---|---|
| Density (g cm−3) | 3.07 | 36 and 98–100 |
| Strength in bending (MPa) | 215 | 101–104 |
| Strength in compression (MPa) | 1080 | 105 and 106 |
| Young's modulus (GPa) | 118 | 107–109 |
| Vickers hardness (HV) | 680 | 110 and 111 |
| Toughness to fracture (MPa1/2) | 2.0 | 94 |
| Slow crack expansion (n) | 33 | 112 and 113 |
