- Agate is resistant to most chemicals with the exception of hydrofluoric acid that tends to etch the material. Each mortar and pestle is meticulously polished to a high degree to avert potential sample particle entrapment and cross-contamination from successive sample processing.
- Most agates occur as nodules in volcanic rocks or ancient lavas where they represent cavities. It is originally produced by the disengagement of volatiles in the molten mass. It was then filled, wholly or partially, by siliceous matter deposited in regular layers upon the walls. We make Agate Mortar and Pestle from natural agate after cutting, grinding and polishing
- Agate has also been known to fill veins or cracks in volcanic or altered rock underlain by granitic intrusive masses. Such agates, when cutting transversely, exhibit a succession of parallel lines, often of extreme tenuity, giving a banded appearance to the section. Moreover, Such stones are known as banded agate, riband agate, and striped agate.
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