Spirit of wine, or spirits of wine, is a common alchemical ingredient in medical remedies and recipes of chemical transformation. This...

Litharge (PbO) is a lead oxide mineral with an alpha and beta structure. It's among the most prominent of the lead oxides known due to...

In the Renaissance new healing treatments come to light, many based on ancient medicine. In the 17th and 18th century these include...

Born in Ireland in 1627, Robert Boyle plays a significant role in the 17th century "scientific revolution". His groundbreaking...

The Angel of Violet Light appears in the tomes of alchemy from the European medieval period onward. For many centuries the Angel drifts...

Johann Rudolf Glauber is a German-Dutch polymath who revolutionizes the scientific world with groundbreaking discoveries and innovative...

Arcanum Duplicatum is known by many names: sulphate of potash, arcanite, potash of sulfur, potassium sulfate. An inorganic compound, it...

Fulminating Gold ( aurum fulminans ) is the first high explosive known, recorded in Western alchemy c. 1585. Sebald Schwaerzer is the...

Arcanum Joviale is an alchemy medicine made of metal salts, taken to induce sweating. While the term sudorific is introduced in 1626,...

Acetic acid is a compound with many uses. With chemical formula CH₃COOH, this colorless liquid has a sharp pungent smell and sour taste....

Alum has a multi-toned nature. Alum denotes a group of chemical compounds characterized by double sulfate salts. Alums are used across...

Barbara von Zweibrücken-Neuburg (1559 - 1618) is described as a striking personality. Intelligent, charismatic and formidable of will,...

Artists and craftspeople have used plant pigments as a source of color for millennia. Works of art and textile dyes using vegetable...

Alchemy and astrology interact on levels of occult arts, principles of science and laws of nature. Just for fun, here are the twelve...

Simple distillation is a technique of ancient and medieval alchemists. It can be a process on its own or part of a larger work, involving...

Distillation transforms substances through heating, cooling, and separating liquids from solids. It's for brewing spirits, and is an...

Aqua Vitae literally means Water of Life in Latin. It's also called Elixir Vitae or Elixir of Life. Alchemists from ancient Alexandria...

The Waters of Alchemy are ravenous acids, miraculous solvents and corrosive fluids vital to alchemical process. Not for children ....

Salts are ubiquitous in nature and play critical roles in sciences from biology to medicine. In alchemy, salts are standard ingredients....

Renegade physician Paracelsus is one of the most dramatic figures of the European Renaissance. Doctor, alchemist, astrologer,...