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. As this is natural stone, colors and patterns will vary.