Refractive
Indices |
|
|
|
|
706.5 |
1.50707 |
|
656.3 |
1.50855 |
|
643.8 |
1.50896 |
|
632.8 |
1.50934 |
|
589.3 |
1.51105 |
|
587.6 |
1.51112 |
|
546.1 |
1.51314 |
|
486.1 |
1.51700 |
|
480.0 |
1.51748 |
|
435.8 |
1.52159 |
|
404.7 |
1.52540 |
|
365.0 |
1.53188 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.2509531 |
|
-7.9769429 10 |
|
1.217291710 |
|
-9.999791610 |
|
4.17616410 |
|
-2.091262310 |
|
Relative Partial Dispersions
|
|
0.3040 |
|
0.2534 |
|
0.2389 |
|
0.2370 |
|
0.5427 |
|
0.4820 |
|
|
|
0.0000 |
|
0.0000 |
|
Chemical
Properties |
|
Grade |
.gif)
|
3 |
.gif)
|
1 |
|
2 |
|
1 |
|
ThermalProperties |
.gif)
|
530 |
.gif)
|
619 |
|
473 |
|
522 |
|
88 |
|
95 |
|
Mechanical
Properties |
|
464 |
|
|
|
6724 |
|
2758 |
|
0.219 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
33/29 |
|
|
|
Other Properties |
|
2.53 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.88 |
0.77 |
2200 |
0.908 |
0.825 |
2000 |
0.956 |
0.913 |
1800 |
0.980 |
0.961 |
1600 |
0.995 |
0.991 |
1400 |
0.997 |
0.995 |
1200 |
0.999 |
0.998 |
1060 |
0.999 |
0.998 |
1000 |
0.999 |
0.998 |
950 |
0.998 |
0.996 |
900 |
0.998 |
0.996 |
850 |
0.998 |
0.996 |
800 |
0.998 |
0.996 |
700 |
0.997 |
0.994 |
650 |
0.996 |
0.993 |
600 |
0.997 |
0.995 |
550 |
0.998 |
0.997 |
500 |
0.997 |
0.994 |
480 |
0.996 |
0.993 |
460 |
0.996 |
0.992 |
440 |
0.995 |
0.991 |
420 |
0.996 |
0.993 |
400 |
0.997 |
0.995 |
390 |
0.997 |
0.994 |
380 |
0.994 |
0.989 |
370 |
0.995 |
0.991 |
360 |
0.994 |
0.988 |
350 |
0.990 |
0.980 |
340 |
0.979 |
0.958 |
330 |
0.952 |
0.907 |
320 |
0.89 |
0.79 |
310 |
0.74 |
0.55 |
300 |
0.48 |
0.23 |
290 |
0.18 |
0.03 |
280 |
0.06 |
|
|
1.51112 
60.46
0.008454 
1.51314 
60.21
0.008523