Description

Phlogopite, also called brown mica, basic aluminosilicate of potassium, magnesium, and iron that is a member of the common mica group. Varieties that contain only small amounts of iron are economically important as electrical insulators. Phlogopite mica can withstand the temperature upto 900 degrees celcius. The best phlogopite is of Madagascar origin followed by Sri Lanka. Very limited quantities are found in India. At PNR we mostly use Madagascar origin phlogopite mica.