The article explores the fascinating method medieval Africans used for gold purification involving glass. This process stands out for its ingenuity and the historical context it reveals about African civilizations during that time. The discussion is enriched by comments reflecting on the wealth of historical figures like Mansa Musa and the broader implications of African economic activity, particularly gold's role in trade. The comments highlight both admiration for the sophistication of ancient African techniques and a sense of rediscovery of historical knowledge, urging a deeper exploration of Africa's past beyond common narratives.