
Alchemy, an ancient practice originating from Egypt, blends hands-on experimentation with philosophical inquiry into the very essence of matter. Although often dismissed as pseudoscience due to its far-fetched goals—such as attaining eternal life or transforming lead into gold—the alchemists' work has undeniably influenced the development of modern science. Here are eight intriguing facts about this mysterious practice.
The term alchemy has its roots in the ancient name for Egypt.
The English word alchemy comes from the Arabic word al-kimiya, which likely traces back to Egypt’s ancient name, Khemia, meaning ‘land of black earth.’ This refers to the fertile Nile delta, where after the seasonal floods, the soil would transform into lush green fields. This origin reflects the essence of alchemy: the belief that matter can be changed and improved.
Alchemy blended early scientific experimentation with mystical philosophy.
A 19th-century illustration showing the Muslim alchemist Geber (Jabir Ibn Hayyan) teaching chemistry at the school of Edessa, Greece. | Leemage/Corbis via Getty ImagesWhile often reduced to the pursuit of transforming base metals into gold, alchemy was actually a much more intricate combination of occultism, natural philosophy, chemistry, and metallurgy. Alchemists sought to answer profound questions such as 'What are things made of?', 'How are they created?', and 'Can one substance be changed into another?'
Alchemy originated in Greco-Roman Egypt during the 1st century CE and spread across the Byzantine and Arab worlds, incorporating influences from Indian and Chinese cultures along the way, before being reshaped in Renaissance Europe. While alchemy involved experiments with the properties of matter, it also had a spiritual and philosophical dimension. Alchemists believed that true enlightenment could only be achieved through the connection of spirit and matter.
Alchemists pursued the legendary Philosopher’s Stone.
The Philosopher’s Stone, now predominantly associated with Harry Potter, was a central goal for alchemists. It was thought to be a magical substance capable of accelerating the transformation of materials, turning common metals into silver or gold, and ultimately granting the secret to eternal life.
Alchemists believed that the Philosopher’s Stone could be an ordinary material with undiscovered properties. As a result, medieval alchemists devoted countless hours experimenting with various substances to observe their reactions, hoping they would accidentally uncover this elusive treasure. While they were unsuccessful, their extensive trials with metals and matter significantly expanded our understanding of materials and laid the foundation for modern chemistry.
A significant number of ancient alchemical manuscripts have been lost or destroyed over time.
An alchemical notebook page from approximately 1620. | Heritage Images/GettyImagesThe earliest alchemical texts were crafted in Egypt. Due to catastrophic events like the destruction of the Library of Alexandria, many of these books were lost or badly damaged. What remains of this ancient knowledge is often found in fragmentary manuscripts. These remnants were frequently mixed or transcribed incorrectly, leading to distorted and cryptic versions, which only added to the mystery. Scholars struggled to decode the bizarre symbolism, often spending their entire lives attempting to unravel the cryptic wisdom within.
One example is the Book of the Seven Climes (Kitāb al-aqālīm al-ṣab'ah), originally written in the 13th century by Abū al-Qāsim al-'Irāqī, but now only surviving in lavish 18th-century copies. The book was clearly copied several times, and its meanings have sparked intense debate. Like many alchemical texts, its recipes are not plainly written but symbolized to represent the processes involved. For instance, animals symbolize substances: an eagle stands for sal ammoniac (also known as ammonium chloride), while a raven represents either lead or iron. This symbolism makes the text highly open to interpretation, leaving its true meanings elusive.
The first known alchemist was a woman.
Mary the Jewess (also called Maria the Prophet or Maria Prophetissa) is known primarily through Zosimos of Panopolis's writings in the earliest surviving alchemical book, published around the 4th century CE. He refers to her as a teacher or “sage,” suggesting she lived between the 1st and 3rd centuries CE. Some of her work is preserved in other texts, including a recipe for producing gold from plants. However, most of what we know about Mary comes from the writings of later alchemists. She also developed scientific equipment for her experiments, such as the water bath, or bain-marie (named in her honor), a method where a container is placed inside another and surrounded by hot water to prevent overheating the contents.
Secrecy was crucial.
A detail from ‘The Alchemist Discovering Phosphorus’ (1771) by Joseph Wright of Derby. | Joseph Wright of Derby, Wikimedia Commons // Public DomainAlchemy saw a rise in popularity during the Renaissance in Europe, but as the scientific revolution gained momentum in the 16th century, more enlightened scholars began to dismiss alchemical practices as charlatanism. This period marked the split between alchemy and chemistry: Chemists embraced evidence-based methods to uncover natural laws, while alchemists grew increasingly focused on mysticism and the metaphysical quest for immortality.
In contrast to the emerging scientific approach that emphasized the open exchange of ideas, alchemy was rooted in secrecy. Alchemical concepts, methods, and recipes were often recorded through symbolism and allegory, making them vague and difficult to decipher. Some alchemists defended this secrecy by arguing that, without it, too many individuals would be producing gold, thus flooding the market and causing economic collapse.
Isaac Newton conducted alchemical experiments.
Isaac Newton is renowned for his groundbreaking contributions to modern physics, but he also explored alchemy and even attempted to turn base metals into gold. However, by the early 18th century, alchemy had become considered heretical, so Newton had to keep his alchemical work secret. It wasn't until 1936 that his interest in alchemy became widely known when a large batch of his unpublished papers was auctioned at Sotheby’s in London. The economist John Maynard Keynes purchased the collection and preserved it, allowing future scholars to study Newton’s alchemical manuscripts.
Among the most remarkable discoveries was that Newton had written a recipe for the Philosopher’s Stone. Scholars today continue to revisit Newton’s alchemical research and reassess its significance in the history of science.
Alchemists made genuine scientific breakthroughs.
In the 18th century, scientists discovered the principles of non-transmutable elements that are foundational to the periodic table. This discovery debunked the notion that pure elements could be created by combining other substances, marking the end of alchemy as a credible field of study.
Some historians believe that modern science owes much to the alchemists' quest to understand the nature of matter. Alchemists tested materials and explored their properties, setting the stage for the development of empirical science. Their contributions include the discovery of new elements and alloys, like phosphorus and zinc, the creation of methods for producing acids, the invention of scientific tools such as the bain-marie and tribikos (a glass apparatus for distillation), and laying the foundation for scientific experimentation.
Although the ultimate goals of turning lead into gold or finding the secret to immortality were never fully realized (at least as far as we know), the experimentation conducted by alchemists marked a significant chapter in the history of intellectual progress.
