Silicon Dioxide (Quartz) (SiO2)
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Transmission Range |
0.18 ... 3.6 µm |
Refractive Index |
no= 1.6775, ne= 1.6899 @ 185 nm
no= 1.5709, ne= 1.5809 @ 325 nm
no= 1.5482, ne= 1.5575 @ 508 nm
no= 1.5423, ne= 1.5513 @ 644 nm
no= 1.5201, ne= 1.5282 @ 2.05 µm
no= 1.4995, ne= 1.5070 @ 3.00 µm
|
dn / dT |
–6.5 ×10–7 / K || Y, –5.5 ×10–7 / K _|_ Y |
Density |
2.648 g/cm3 |
Melting Point |
1700 °C |
Molecular Weight |
60.08 |
Thermal Conductivity |
1.4 W/(m K) |
Specific Heat |
787 J/(kg K) @ 25 °C |
Thermal Expansion |
5 ×10–7 |
Hardness (Knoop) |
461 @ 200 g, 741 @ 500 g indenter load |
Young's Modulus |
76.5 GPa _|_ Y , 97.2 GPa || Y |
Shear Modulus |
36.4 GPa / 57,13 GPa |
Bulk Modulus |
98.98 GPa |
Elastic Coefficient |
C11 = 86.75 / C12 = 6.87 / C13 = 11.3 /
C33 = 106.8 / C44 = 57.86 GPa
|
Dielectric Constant |
3.9 / 4.34 |
Solubility in Water |
insoluble |
Crystal Structure |
single crystal |
Cleavage Planes |
none |
AT cut = + 35o from Z towards Y |
BT cut = - 49o from Z towards Y |
CT cut = + 38o from Z towards Y |
DT cut = - 52o from Z towards Y |
ET cut = - 66o from Z towards Y |
FT cut = - 57o from Z towards Y |
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