The agate mortar and pestle are made of high quality Brazilian Agate with highly polished grinding surfaces. They are the best tools for preparation of laboratory samples and high purity chemical powders. The agate material is a special silicate with a main composition of SiO2. It is resistant to detergent. The thermal endurance is limited up to 350°C. Supply is commonly in set of a mortar and a pestle. Separate supply may be acceptable.
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