dore bead

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Castle Dore — is an Iron Age and early mediaeval hill fort near Fowey in Cornwall, United Kingdom located at gbmapping|SX103548. Description and History It consists of circular bank and ditch enclosure with a second enclosure nearby thought to have been an… … Wikipedia
assaying — In chemical analysis, the process of determining proportions of metal, particularly precious metal, in ores and metallurgical products. The most important assaying technique grew largely out of the experiments of the ancient alchemists and… … Universalium
silver processing — Introduction preparation of the ore for use in various products. Silver has long been valued for its white metallic lustre, its ability to be readily worked, and its resistance to the corrosive effects of moisture and oxygen. The… … Universalium
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