The Sesame mortar and pestle from Swissmar is made from highest quality, polished G5 granite and is black with white speckles. The pestle has a 2 tone finish and is designed to allow both sides to grind and pound. The mortar features a dual sided concave interior that allows for multiple grindings. The beautiful mortar and pestle allows you to extract the oils from spices and herbs without being absorbed into the granite. The mortar measures 8.26 x 10.2cm / 3.25 x 4 inches and weighs 1.59kg / 3.5lbs.