Q:

What is the color of MnO2?

A:

Quick Answer

Manganese dioxide, known by the chemical formula MnO2, is naturally gray or black in color. It is typically found as a crystalline solid in the mineral pyrolusite, which has a matte black to dark grey metallic appearance.

Continue Reading

Full Answer

The compound is naturally occurring, formed by the oxidation of manganese in the environment; two oxygen atoms bond with one atom of manganese. It is used in a variety of industrial applications; it was the original compound used in the first dry cell batteries. Additionally, it is useful as a laboratory catalyst, as an secondary alloy addition to steel and can make violet colored glass. True amethyst crystals are given the purple coloration with the presence of manganese dioxide.

Learn more about Chemistry

Related Questions

Explore