History: Agate Mortar and Pestle
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r193811 · current
- Created Agate Mortar and Pestle (part): "Grinds and mixes precursor powders by hand and regrinds fired pellets between firings. Natural agate with a polished bowl, about 100 mm outer diameter for batches of a few grams, plus a 50 mm set for sub-gram samples."