Transmission Range |
0.150--4.0µm and 50--1000 µm |
Refractive Index |
no=1.5350, ne=1.5438 @ 1 µm |
Reflective Loss |
8.2% @ 2µm |
Density |
2.65 g/cm3 |
Melting Point |
1710°C, 1657°C |
Molecular Weight |
60.06 |
Thermal_Conductivity |
||C:11.7 W/(m·K) 20°C; ^C: 6.5 |
Specific Heat |
744 J/(kg·K) |
Thermal Expansion |
|| C: 7.97 x 10-6 /°C ; ^C: 13.37 x 10-6 /°C @0°--80°C |
Hardness (Mohs) |
740 (Indenter load 500g) |
Young`s Modulus |
|| C: 97; ^C: 76.5 GPa @ 25°C |
Shear Modulus |
44 GPa |
Bulk Modulus |
98 GPa |
Rupture Modulus |
41 MPa |
Elastic Coefficient |
C11 = 86.6; C12 = 6.7; C13 = 12.4; C14 = 17.8; C33= 106.4; C44 = 58 GPa |
Dielectric Constant |
|| C: 4.27 @ 30 MHz @ 25°C; ^C: 4.34 |
Solubility in Water |
insoluble |
Type of Material |
Single crystal, synthetic |
Crystal Structure |
trigonal, point group 32, a = 4.9138 Å, c = 5.4052 Å |
Common Diameter |
Plates (blank) 120 mm (y) x 90 mm (x) x 27 mm (z) |
Application |
polarizing optics, piezoelectric components, VUV filter, FIR windows |
emarks |
dextrorotatory Quartz is common, max. temperature for application > 1200°C, chemical constant, will be damaged by contact with HF and hot concentrated alkalines |