... green, emerald, light green, tawny, black, gray more than 10 colors. In order to keep the natural ... √ good quality & competitive price √ Application: insulating paper, insulating board, insulating products, powder material,coating, rubber, plastic, corrosion protection, demoulding, ... in yellow, dark brown or black ,glass-luster, cleavage surface often shows pearls or submetallic luster. Phlogopite ...