A mortar and pestle is a set of two simple tools used to prepare ingredients or substances by crushing and grinding them into a fine paste or powder in the kitchen, laboratory, and pharmacy. The mortar is characterist… See more

Mortars and pestles were invented in the Stone Age when humans found that processing food and various other materials by grinding and crushing into smaller particles allowed for improved use and various adv… See more

Mortars and pestles were traditionally used in pharmacies to crush various ingredients before preparing an extemporaneous prescription. The mortar and pestle, with the Rod of Asclepius, the Green Cross, and others, is o… See more

Good mortar and pestle-making materials must be hard enough to crush the substance rather than be worn away by it. They cannot be too brittle either, or they will break during the pounding and grinding. The materi… See more

Since the results obtained with hand grinding are not easily reproducible, most laboratories use automatic mortar grinders. Grinding time and pressure of the mortar can be adjusted and fixed, saving time and labor. … See more