![]() ![]() Sulfur, “the stone that burns,” was also crucial. Mercury, the liquid metal, certainly known before 300 bc, when it appears in both Eastern and Western sources, was crucial to alchemy. The metals gold, silver, copper, lead, iron, and tin were all known before the rise of alchemy. Superficially, the chemistry involved in alchemy appears a hopelessly complicated succession of heatings of multiple mixtures of obscurely named materials, but it seems likely that a relative simplicity underlies this complexity. Uncover the reason why the alchemist's attempted to conceal their chemical knowledge and how See all videos for this article
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