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& Kristalle GmbH
& Kristalle GmbH
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Quartz Crystalline (SiO2)
We are a leading manufacturer and supplier of research materials
Crystallographic
| Syngony | Hexagonal |
|---|---|
| Symmetry Class | P3221 |
| Lattice Constants | a = 4.9138 Å c = 5.4052 Å |
Optical
| Refractive Index no at n0.436 | 1.5538 |
|---|---|
| Refractive Index at ne at n0.436 | 1.5632 |
| Thermal Coefficient of Refractive Index at 340 nm for +20/+100 °C | |
| no | -5.01 x 10-6 |
| ne | -3.93 x 10-6 |
| Transmission Range, microns | 0.15 - 3.3 |
Thermal
| Thermal Linear Expansion, °C-1 for 0/+20 °C |
13.24 x 10-6 |
|---|---|
| Thermal Conductivity, W/(m * °C) at 25 °C |
|
| no | 6.82 |
| ne | 11.43 |
| Specific Heat Capacity, J/(kg * °C) | 0.741 x 103 |
| Melting Point, °C | 1470 |
Mechanical
| Density, g/cm3 at 20 °C | 2.649 |
|---|---|
| Mohs Hardness | 7 |
| Vickers Microhardness, Pa | 981 x 107 |
| Young Modulus (E), Pa | |
| no | 8.7 x 1010 |
| ne | 10.5 x 1010 |
Chemcical
| Molecular Weight | 60.06 |
|---|---|
| Solubility | |
| in water, gram/100 cm3 | insoluble |
Ref. Index vs. Wavelength l
| Wavelength, Microns | Refractive Index no | Refractive Index ne |
|---|---|---|
| 0.2001 | 1.6493 | 1.6623 |
| 0.2503 | 1.6003 | 1.6114 |
| 0.3034 | 1.5770 | 1.5872 |
| 0.4047 | 1.5572 | 1.5667 |
| 0.5086 | 1.5482 | 1.5575 |
| 0.6438 | 1.5423 | 1.5513 |
| 1.0000 | 1.5350 | 1.5438 |
| 1.2000 | 1.5323 | 1.5410 |
| 1.4000 | 1.5297 | 1.5383 |
| 1.6000 | 1.5270 | 1.5355 |
| 1.8000 | 1.5241 | 1.5324 |
| 2.5000 | 1.5116 | 1.5195 |
| 3.0000 | 1.4996 | 1.5070 |
Custom sizes and specifications are available on request.
Overview of elements with access to our shop
Tel.: +49 (0) 2461 - 9352 - 0
Fax: +49 (0) 2461 - 9352 - 11
Fax: +49 (0) 2461 - 9352 - 11