A mortar and pestle is a tool used with herbs, resins or any spell ingredient that you want to crush, grind or mix. Grinding your own ingredients adds your personal energy to any spell and ritual work.This is a great wiccan tool to grind and mix your own incense. Our Mortar and Pestles come in soapstone, coral, marble, onyx, wood, and brass. They all have wonderful colors like black, red and white.