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