Magnesium oxide, or magnesia, is a white solid mineral that occurs naturally as periclase and is a source of magnesium.

For a typical sample of MgO the refractive index and extinction coefficient at 632.8 nm are 1.73463 and 0. Below are files of complete refractive index and extinction coefficients. If the file is not available for download, you can request our proprietary file by clicking "Request".

Refractive Index Reference - Handbook of Optics, 3rd edition, Vol. 4.

No guarantee of accuracy - use at your own risk.