Use Brownies to achieve a smooth surface, Greenies for a lustrous polish, and Supergreenies for a super-polish. Silicone polishers impregnated with high-quality abrasives Use Brownies for pre-polishing, Greenies for polishing, and Supergreenies for super-polishing Use Brownie/Greenie/Supergreenie Stones for amalgams, precious alloys, and non-precious alloys