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UV, visible, infra-red optical materials... |
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...for optical lenses, windows, mirrors, filters & prisms |
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Calcite - CaCO3
lenses, windows, mirrors, filters and prisms
Click here to download PDF version of this page.
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| 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) |
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Whilst every effort has been made to verify the data provided, no responsibility can be accepted for its accuracy
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Global Optics UK Ltd, 30 Brockley Road, Bournemouth,
Dorset, UK, BH10 6JN.
Tel: 01202 530609,
Fax: 01202 547209
Company Registered in England
Registered Office: 30 Brockley Road, Bournemouth BH10 6JN
| Company No. 3509979
© Global Optics UK Ltd -
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