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Medieval #Africans Had a Unique Process for Purifying #Gold With Glass

And scientists in Illinois have recreated it.

"'This is the first time in the archaeological record that we saw glass being used to be able to refine gold,' says Marc Walton, codirector of the Center for Scientific Studies in the Arts, a collaboration between Northwestern University and the Art Institute of Chicago. 'The glass appeared to be material that was [actually] recycled glass materials … so it really shows the industriousness and creativity of the craftsmen, who understood the properties of gold and glass enough to [use them for] this process of refining gold.'"

#History #AfricanHistory #BlackHistory #Technology #Histodon

https://getpocket.com/explore/item/medieval-africans-had-a-unique-process-for-purifying-gold-with-glass?utm_source=pocket-newtab