Pigments composed of mica nanoparticles are used to create pearlescent and iridescent effects that mimic the natural look of stone and rock formations. Mica powder pigments sparkle and can be used for a wide variety of craft activities. This gives great opportunities in the choice of shades and all kinds of overflows in tones. Metallic pearlescent pigments create a metallic effect without being real metal. It has excellent UV stability, which means it never tarnishes or fade!