For the serious grinder in labs, pharmacies, or chemical work - this agate mortar and pestle set means business. Made from natural Brazilian agate stone, these tools handle advanced grinding without contaminating your materials. The compressive strength is impressive, and they resist acids, alkalis, and corrosion like champs. Each piece has unique natural patterns since they're sourced from real agate. The smooth, high-gloss surface makes cleaning easy, and there are no cracks or impurities to worry about. Available in multiple sizes from small (30mm diameter) to large (150mm diameter) to match your needs. Remember - use them for grinding, not as reactors for chemical reactions. The hardness rating of 7.0-7.2 means they'll last through years of use. Pro tip: place a silicone mat underneath for better grinding practice. Whether you're preparing samples, mixing compounds, or processing materials, this agate set delivers precision and reliability. Pestles are included with each mortar, ready to go right out of the box. Quality laboratory equipment that won't let you down.