Magnesium fluoride is an inorganic compound with the formula MgF2. The compound is a white crystalline salt and is transparent over a wide range of wavelengths, with commercial uses in optics that are also used in space telescopes. It occurs naturally as the rare mineral sellaite.
M 5638 (OTTO)Magnesium fluoride pellets, 1-3mm, 99.99% Cas 7783-40-6 - used as Vacuum deposition, anti-reflective coatings, in optics and also used in space telescopes, glass industry and ceramics.