noun. A yellow to dark brown mica, K(Mg,Fe)₃AlSi₃O₁₀(OH)₂, used in insulation.

noun. A kind of magnesia mica (see mica, 1) commonly occurring in crystalline limestone and in serpentine.

noun. A kind of mica having generally a peculiar bronze-red or copperlike color and a pearly luster. It is a silicate of aluminia, with magnesia, potash, and some fluorine. It is characteristic of crystalline limestone or dolomite and serpentine. See mica.

noun. A mica mineral with the chemical formula KMg3AlSi3O10(F,OH)2, a basic potassium magnesium aluminosilicate, used as an insulator.

noun. a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum

"The name phlogopite, named by F.A. Breithaupt in 1841, comes from the Greek word phologopos meaning fiery in reference to the reddish color seen on some specimens of this mica."

isinglass  mica  

bronze mica  

mica