Name: | TeO2 | Molar Mass: | 159.60 G/mol |
---|---|---|---|
Color: | Colorless | Density: | 5.990.03 /cm3 |
Melting Point: | 733°C | Hardness: | 3 4 Moh’s Hardness Scale |
High Light: | magnesium aluminate spinel,co spinel |
Chemical and physical properties
Property | Value |
Chemical formula | TeO2 |
Molar mass | 159.60 g/mol |
Color | Colorless |
Density | 5.990.03 /cm3 |
Melting Point | 733°C |
Hardness | 3 4 Moh’s hardness scale |
Thermal expansion | 10-6-1: 11 = 17.7; 22 = 17.7; 33 = 5.5 |
Symmetry | Tetragonal, 422 (D4) |
Lattice distances | a = 4.8122 ; c = 7.6157 |
Transmittivity | >70% at 633nm |
Transmitting Range | 0.33 ~ 5.0 microns |
Refractive indexes
, m | no | ne | n = ne no |
0.4047 | 2.4315 | 2.6167 | 0.1852 |
0.4358 | 2.3834 | 2.5583 | 0.1749 |
0.4678 | 2.3478 | 2.5164 | 0.1686 |
0.4800 | 2.3366 | 2.5036 | 0.1670 |
0.5086 | 2.3150 | 2.4779 | 0.1629 |
0.5461 | 2.2931 | 2.4520 | 0.1589 |
0.5893 | 2.2738 | 2.4295 | 0.1557 |
0.6328 | 2.2597 | 2.4119 | 0.1522 |
0.6438 | 2.2562 | 2.4086 | 0.1524 |
0.690 | 2.2450 | 2.3955 | 0.1505 |
0.800 | 2.226 | 2.373 | 0.147 |
1.00 | 2.208 | 2.352 | 0.144 |
um | p, deg/mm | m | p, deg/mm |
0.3698 | 587.1 | 0.5893 | 104.9 |
0.3783 | 520.6 | 0.6328 | 86.9 |
0.3917 | 437.4 | 0.700 | 67.4 |
0.4152 | 337.6 | 0.800 | 48.5 |
0.4382 | 271.0 | 0.900 | 37.4 |
0.4630 | 221.1 | 1.00 | 29.5 |
0.4995 | 171.2 | 1.10 | 23.8 |
0.5300 | 143.4 |
Nsound | Usound | Vsound 103 / | Nlight | Elight | M1 10-7m2 / | M2 10-183/ |
[100] | [100] | 2.98 | [010] | [100] | 0.097 | 0.048 |
[100] | [100] | [010] | [001] | 22.9 | 10.6 | |
[001] | [001] | 4.26 | [010] | [100] | 142 | 34.5 |
[001] | [001] | [010] | [001] | 113 | 25.6 | |
[100] | [010] | 3.04 | [001] | optional | 3.70 | 1.76 |