Recommendable! Probably a great exhibition!
"... Where glassmaking first emerged is still highly debated. Rough and unworked fragments of glass appear in both Mesopotamia and Egypt around 2000 BC, but it wasn't until about 400 years later that glass vessels, amulets and jewellery began to be crafted in proper workshops. Exactly how the ancient glassmakers first discovered that kiln-firing a combination of plant ash (containing soda) and sand (containing lime and silica) creates glass is unknown, but early fragments such as this one lend credence to the suggestion that glass may have been first produced as a waste by-product of metallurgy and Egyptian faience (a non-clay ceramic material often with a brightly coloured glaze) production. ..."
A turquoise goblet-shaped cup with a zig-zag pattern on the bowl.
Blue-green glazed faience cup, Egypt, about 1550–1069 BC.
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