Alchemy

Alchemy (from the Arabic word al-kīmīā, الكیمیاء) is an ancient branch of natural philosophy. It was a philosophical and protoscientific tradition practised in China, India, the Muslim world, and Europe.

Alchemists tried to purify and perfect materials. One big goal was chrysopoeia, turning "base metals" like lead into "noble metals" such as gold.

Another aim was to create an elixir of immortality and panaceas that could cure diseases. They believed that by finishing the alchemical magnum opus, or "Great Work," they could perfect the body and soul. The idea of the philosopher's stone, a powerful substance, was linked to these goals.

Alchemists in Islamic and European cultures developed many basic laboratory techniques. They often kept their work secret, using cyphers and symbols. In Europe, the 12th-century translations of medieval Islamic works on science helped start a new tradition of alchemy. This later helped the development of early modern science, especially chemistry and medicine.

Etymology

The word alchemy comes from Old French alkimie. This word was used in Medieval Latin as alchymia. It originated from the Arabic word al-kīmiyā. The Arabic word came from a Late Greek term khēmeía, which means 'the process of transmutation to connect with something divine or original'. Some people think the Greek word came from an old book. Others believe it refers to the "black earth" of the Nile valley in Egypt. This dark soil made Egypt different from the red desert sands around it.

History

Alchemy includes ideas from China, India, and the Mediterranean Basin for thousands of years. These ideas used secret and symbolic language, making them hard to understand. Chinese alchemy was linked to Taoism, Indian alchemy to Dharmic faiths, and Western alchemy grew with influences from Western religions.

Western alchemy began in Hellenistic Egypt, where Alexandria was an important place for learning. Early writings were often mysterious and said to be from ancient people. Important writers like Zosimos of Panopolis built on older work, connecting alchemy to Egyptian religious beliefs. Myths about Hermes Trismegistus added to alchemical ideas. The Hermetica texts, linked to Hermes, mixed alchemy with astrology, medicine, and magic. The Emerald Tablet, a short and puzzling text, became an important guide for alchemy in Europe during the Middle Ages. Early tools were used to make imitation metals and gems, which later mixed with mystical philosophy. Alchemy also grew from ideas in Greek philosophy, such as the four elements—earth, air, water, and fire.

In India, alchemy, called Rasayana, aimed at creating a divine body and immortality, using mercury and sulfur. In the Islamic world, scholars like Jābir ibn Hayyān introduced new methods and ideas, including turning metals into other metals. Chinese alchemy focused on medicine and living longer, looking for an elixir of life. In medieval Europe, alchemy became part of university learning and mixed with Christian ideas. During the Renaissance, alchemy grew into medicine and magic, with people like Paracelsus changing its direction. Over time, alchemy faded as science grew, but it remains an interesting part of history.

Core concepts

Western alchemy was shaped by the ideas of old Greece and Rome. Alchemists talked about basic parts of nature, like the classical elements and the seven old metals linked to planets. They also believed in special ideas like the prima materia and anima mundi, which are important to the legend of the philosopher's stone.

The Great Work of Alchemy, called the Magnum opus, was seen as having four color stages: nigredo (blackening), albedo (whitening), citrinitas (yellowing), and rubedo (reddening).

Modernity

People have thought about alchemy in many ways. Some see it like early chemistry. Alchemists tried to turn simple things into valuable ones. Others think turning lead into gold was a symbol for growing as a person.

Alchemy still influences ideas today, especially in psychology and art. It appears in books, movies, and games as something magical or mysterious. People still find new meanings in old alchemists' writings and symbols.

Further information: Nuclear transmutation