Calcite – CaCO3

lenses, windows, mirrors, filters and prisms

 

Transmission Range 0.3 – 5.5 µ
Crystal Structure Sodium Nitrate
Cleavage Plane 1011
Colour Colourless
Density 2.7102 (20°)
Melting Point (°) 1339 (under 102.5 atmosphere pressure) Decomposes at 894.4°C
Reflection Loss 10.6% (2µ) for 2 surfaces
Solubility index 1.0x10-3/100gm / 8.7°C
Hardness (Knoop) 3.0 (Moh)
Thermal Conductivity (cal/cm sec°C) 1.32x10-2 (Parallel to C axis)
1.11x10-2 (Vertical to C axis)
Thermal Expansion coefficient (/°C) 25x10-6 (Parallel to C axis)
-5.8x10-6 (Vertical to C axis)

Whilst every effort has been made to verify the data provided, no responsibility can be accepted for its accuracy

 

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Whilst every effort has been made to verify all data provided, no responsibility can be accepted for its accuracy.