Agate is a naturally occurring form of quartz noted for its extremely high degree of resistance to abrasion, wear and superior hardness. Agate Mortars and Pestles are used to crush and mix chemicals. The Mortar is a bowl, and the Pestle is a heavy club-shaped object, the end of which is used for crushing and grinding. The substance to be ground is placed in the Mortar and ground, crushed or mixed using the Pestle.
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