| PARAMETER | VALUE |
| 透过范围Transmission range (µm) | 0.13~12.5 |
| 折射率Refractivity (0.2-12µm) | 1.5122~1.3703 |
| 密度Density(g/cm3) | 4.89 |
| 熔点Melting Point(℃) | 1280 |
| 解理面Cleavage plane | [111] |
| 膨胀系数Expansion coefficent/℃-1 | 18.1x10-6 |
| 热导率Thermal conductivity (Wm-1K-1) | 11.72 |
| 努普硬度Knoop hardness(kg/mm2) | 82 with 500g indenter |
| 弹性常数Elastic constants | C11= 90.4;C12= 40.6;C44= 25.3 |
| 杨氏模量Youngs Modulus/Gpa | 56.4 |
| 溶解度Solubility in 100g water(g) at 20°C | 0.0017g/100g water at 20 °C |