... powder,sericite powder phlogopite,biotite,calcined mica,colour mica paint and coating raw materialmica,muscovite,mica powder,sericite powderphlogopite,biotite, ... powderUsage: widely used as drilling mud in oil and gas, filler in painting and coating, plastic, rubber, ceramic, ink, paper making ... widely used in glass-making industry, as filler for paper, cosmetics paint and coating raw material mica