Crystal symmetry: 32
Density: 6,25 g/cm^3
Optical spectral range: 5 - 25 mkm
Elastic constants 
: 10^11 dyn/cm^2 or 10^10 Pa)
| 3.27 | 0.86 | 2.49 | 1.24 | 0 | 0 |
| 0.86 | 3.27 | 2.49 | -1.24 | 0 | 0 |
| 2.49 | 2.49 | 7.22 | 0 | 0 | 0 |
| 1.24 | -1.24 | 0 | 3.12 | 0 | 0 |
| 0 | 0 | 0 | 0 | 3.12 | 1.24 |
| 0 | 0 | 0 | 0 | 1.24 | 1.22 |
Photolastic constants 
:
| 0.164 | 0.138 | 0.146 | -0.04 | 0 | 0 |
| 0.138 | 0.164 | 0.146 | 0.04 | 0 | 0 |
| -0.086 | -0.086 | 0.038 | 0 | 0 | 0 |
| 0.28 | -0.28 | 0 | 0.14 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0.14 | 0.28 |
| 0 | 0 | 0 | 0 | -0.04 | -0.013 |
Refraction indices:
The values for refraction coefficients for the given optical wavelengths.
| wavelength, mkm |  |  |
|---|
| 10.6 | 4.8 | 6.25 |
|---|
Sound velocity:
| direction | polarization | v (10^5 cm/s) |
|---|
| -- | -- | -- |
Tellurium slowness surfaces in important planes
Acousto-optic figure of merit:
| sound dir. | sound pol. | light dir. | light pol. | M (10^-18 s^3/g) |
|---|
| -- | -- | -- | -- | -- |
