Pearl powder pigment from Art ‘N Glow, the premier pigment and resin supplier for fine arts, crafts, and DIY projects Each order includes .88 ounce (25 grams) of metallic mica powder which can be used in practically any art or craft project that you can think of! Our pearl pigment is packaged in a recloseable zip lock bag for your convenience The maximum particle size of our pearl pigments is between 10 and 60 microns. This is the ideal size for general craft projects including resin/epoxy casting, marble effects, paintings, DIY slime, murals, wax, jewelry making, etc. Because our pearl pigments won’t react with other materials, they can be used in practically any medium without issue. COLOR COPPER.