Cerium Oxide-Calcium Doped Nanopowder powders and dispersions are inorganic cerium-oxide nanoparticles with unique polishing and Ultra-Violet attenuating properties. C-MITE-A™ products are uncoated and hydrophilic. C-MITE-O™ products are coated with an organic silane (1-4%) and are hydrophobic. Particles are available in the size range of 10-200 nm.