Definitions for "Phlogopite"
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.
A member of the mica group of minerals; occurs in metamorphosed limestones and less frequently in ultrabasic igneous rocks.
a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum