#6A, 1-9/16 | Magnesium Oxide, Fire Assay Cupel, Gold. Silver Refining
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#6A, 1-9/16 | Magnesium Oxide, Fire Assay Cupel, Gold. Silver Refining

$2.90
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#6, 1-9/16 fire assay cupels made of magnesium oxide. These cupels are perfect for use in gold and silver refining processes. The cupels are manufactured in the United States and are high quality, ensuring accurate and efficient refining. The cupels are designed to be used in mining equipment for fire assay testing. With these cupels, you can effectively remove impurities from precious metals and obtain pure gold and silver. They are an essential tool for any serious miner or refiner. Purchase now and take your refining process to the next level. “Alpine style” magnesia cupels.  Ideal for testing and small scale assaying. Dimensions: D: 40.0mm 1.57″D1: 32.7mm 1.29″D2: 30.0mm. 1.18″H: 25.4mm. 1.00″H1: 12.3mm. 0.48″(grams): 49g Priced per unit.

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