QUARTZ
Mohs hardness
7 (Mohs)
Melting point
1713 degree
Density
2.65 g/cm3
Transparence range
0.15 ~ 4 um
Thermal conductivity
10.7 (parallel to Z) (W/m.K. at 323 K
Thermal expansion coefficient
7.067 x 10-6/K
Dielectric constant
4.34 (parallel to Z) at 30 MHZ
4.27 (perpendicular to Z)
Young’s modulus
97.2
Solubility
Insoluble in water
Refractive index
Lambda (um)
no
ne
0.1850
1.65751
1.68988
0.3400
1.56745
1.57737
0.5893
1.54424
1.55335
0.9914
1.53514
1.54392
1.3958
1.52977
1.53832
1.6815
1.52583
1.53422
2.0531
1.52005
1.52823
3.0000
1.49953
5.0000
1.41700
7.0000
1.16700