Almaz Optics, Inc.
12 Chadsford Ct.  Marlton, NJ 08053, USA
Tel:  856 797-0491, Fax: 856 797-0228
e-mail: mail@almazoptics.com

 

































CALCIUM CARBONATE (CALCITE), CaCO3

Calcite is widely used for polarizing optics due to its birefringent properties.
Maximum available size: 30 x 30 x 30 mm.
Available Calcite Products:
Glan Taylor Prism, Glan Thompson Prism, Wollaston Prism, Savart Plate, Beam Displacer, Birefringent Plate


Main Properties

Chemical Formula

CaCO3

Molecular Weight 100.09

Crystal Class

Rhombohedral

Density, g/cm3 at 300 K

2.71

Transmission Range, Ám

0.22 - 1.9
Reflection Loss for two surfaces at 2 Ám, % 10.6
Melting Temperature, K 1612
Thermal Conductivity, W/(m K) at 273 K
parallel
perpendicular

5.526
4.646
Specific Heat, cal/(g K) at 273 K 0.203

Mohs Hardness

3.0