Antique Silver Pearl Series 3- Mica Particles Iron oxide. Antique Silver Pearl has a cool graphite-like metallic shimmer. The Pearl Series are not meant to be mixed with other colors as this may affect the metallic attributes of these paints. The pigment particles are heavy and will settle easily so make sure to stir the metallic paints when using to get good pigment distribution.Hot Cakes are ready-to-use encaustic paints sold in convenient reusable metal tins. Hot Cakes are made from artist grade pigments damar resin and United States Pharmaceutical Grade (USP) refined natural beeswax. Our high-tech mills are capable of shearing pigment to their smallest particle size which enables us to manufacture a paint that is richer creamier cleaner and more vibrant than ever before possible!