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Periclase

Periclase is usually found as a component of metamorphosed dolomitic limestones.

Chemical Formula: MgO

Other names: Magnesium oxide

Layman's explanation: Periclase is a rare magnesium oxide mineral. Periclase is generally colorless, white or gray; however in the presence of iron, it is a yellow brown or black in color. It is sometimes used as a gemstone although it lacks good hardness and is generally limited in colors. Also, it is used by producers of refractory brick who supply the steel, cement and nonferrous metals industries. Several grades of periclase are available in bulk and sized fractions. Periclase is usually found as a component of metamorphosed dolomitic limestones. It readily alters to brucite and other magnesium minerals under weathering conditions. Periclase is also known as native magnesia or periclasite.

Keywords: mineral, magnesium oxide, dolomitic limestones

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