Cupellation

灰吹法 ／ cupellation　—　Making

A refining process to extract silver by melting it with lead. It was introduced to the Iwami Ginzan Silver Mine and boosted Japan's silver production.

A refining process (cupellation) to extract silver by melting it with lead and then oxidizing the lead. It was introduced to the Iwami Ginzan Silver Mine in the 16th century and boosted Japan's silver production.

⚠ The arrival of this technology transformed Japan into one of the world's leading silver exporters. Potosí and Iwami were the two wheels of the same century.