Calcite Specifications

Index of Refraction at Nd:Yag (1.064 µm)a

ne =  1.480
no = 1.642

Abbe Number (Vd), Extraordinary

79.17

Abbe Number (Vd), Oridinary

49.91

Transmission Rangeb

300 nm - 2.3 μm

Density

2.71 g/cm3

Knoop Hardness

155 kg/mm2

Young's Modulus

88.19 GPa (Parallel)
72.35 GPa (Perpendicular)

Shear Modulus

35 GPa

Bulk Modulus

129.53 GPa

Poisson's Ratio

0.85

Coefficient of Thermal Expansion
(@ 0°C)

25 x 10-6 /°C (Parallel)
5.8 x 10-6 /°C (Perpendicular)

Heat Capacity

0.852 J/(g*K)

Melting Point

825°C

Change in Index of Refraction with 
Temperature (@ 500 nm)

3 x 10-6 /°C (Parallel)
13 x 10-6 /°C (Perpendicular)