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 1255 (OTTO) Magnesium fluoride, 98% Cas no 7783-40-6 - used in space telescopes. It occurs naturally as the rare mineral sellaite. M 1255 (OTTO) Magnesium fluoride, 98% Cas no 7783-40-6 - used to polarize corrective lenses of eyeglasses to reduce the glare of sunlight by selecting the orientation of the light waves passing through the lenses.