Gold is one of the ultimate goal of the alchemic quest. It is associated with the Sun, the source of life and light. In alchemy, gold represents perfection, both in a material and spiritual sense. It is believed that the transformation of base metals into gold represents the transformation of the alchemist's soul into a state of enlightenment and immortality.
The alchemists believed that gold was the most noble and perfect metal, as it was resistant to corrosion and oxidation, and did not tarnish or rust. It was also thought to possess healing properties and was used in medicine and for spiritual purposes.
The gold that the apprentices have extracted from the Electrum is close to pure, but...