Zirconium dioxide, also known as zirconia, is a chemical compound with the formula ZrO2. It is white in color and widely used in ceramics, refractories, and high-strength materials. The compound exists in different forms depending on its level of purity.
Zirconium dioxide is a crystalline, odorless powder that absorbs water well. In its anhydrous form, it is white, but it may show color variations when combined with other elements.