Sylvia RoseSep 137 min readDivine Water: Sulfuric Acid in AlchemyDivine Water, oil of vitriol or sulfuric acid, scientifically denoted H₂SO₄, is commonly used in alchemy experiments. A mineral acid, it...
Sylvia RoseAug 246 min readHerbal Remedies in Medieval AlchemyHerbal remedies are ubiquitous in medieval alchemy, a practice combining elements of science, spirituality, and mysticism. Recipes are...
Sylvia RoseAug 146 min readIsaac Newton: Alchemy & the OccultIsaac Newton, English physicist and mathematician, has a deep interest in the occult. He writes of chronology, biblical interpretation...
Sylvia RoseAug 113 min readAlchemy: Ancient Purification of Tin Tin purification is important to various alchemical practices, and a fundamental step in many recipes and formulas. In alchemy purified...
Sylvia RoseJul 283 min readRoger Bacon: Medieval Science & AlchemyRoger Bacon (c. 1219 - 1292) is a Franciscan friar and fiery figure in medieval and later science and philosophy. He's known for his...
Sylvia RoseJul 274 min readCaterina Sforza: Renaissance AlchemyCaterina Sforza (1463-1509) is a remarkable figure of the Italian Renaissance, leading a colorful and controversial life. Alchemy is...
Sylvia RoseMar 157 min readVerdigris: Creation of Coveted Blue Green PigmentVerdigris is the green rust or patina on copper, created as the metal reacts with oxygen in the environment. Copper corrodes green to...