4" Brown Marble Mortar & Pestle Beautifully made stone mortar and pestle. The mortar and pestle is used in many holistic and spiritual processes by grinding herbs in the mortar with the pestle to create a combination of different properties within the herbs. It is made from beautiful marble and can hold up to 3 ounces. The Mortar bowl and pestle work together to grind and break down ingredients quickly to help speed up food preparation with minimum effort.