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MgF 2
MgF 2 is a birefrigent material crystal with excellent physical and chemical properties. It provides wide transparent range, high transmissibility. It can be widely used as UV material.
Main Properties Lattice constant: a=4.621A; c=3.053A Mohs hardness: 6 Specific weight: 1255 Specific weight: 3.18g/cm 3 Transparence range: 0.12-8.5 m m Thermal conductivity: 0.0075W/m/K Expansion coefficient: aa=13.7x10-6 /K; ac=8.48x10-6 /K Refraction Index: 0: 405m n o =1.3836, n e =1.3957 1: 1.55 m m n o =1.9447, n o =2.1486
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