Using a mortar and pestle provides control over speed and texture when using your own hands to grind the herbs and spices to the texture you need.
Green marble is long lasting. Marble mortars and pestles provide a very hard base for grinding spices, seeds, and nuts. Its smooth surface is easy for cleaning and the lack of texture makes it easy to collect and use every speck of spice from the bowl without losing any to crevices or cracks.