Sylvia Rose
How to Make Copperas Red: Simply Science
Copperas, iron(II) sulfate or green ferrous sulfate, is a versatile compound in various applications, from agriculture to water...
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Sylvia Rose
Aug 315 min read
Natural Purple Dyes: Ancient & Medieval
Dyers, coloring professionals, metal workers and gemologists seek vibrant colors and tones since early civilization. The first use of...
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Sylvia Rose
Aug 303 min read
Ancient Greek Discovery & Use of Mercury
The ancient Greeks are celebrated for their contributions to various fields such as philosophy, mathematics, and medicine. Among their...
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Sylvia Rose
Aug 304 min read
Mercurius: Mystical Essence of Alchemy
Mercurius among the most important figures of the alchemical storybook A vast array of symbols and archetypes populate the path to...
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Sylvia Rose
Aug 304 min read
Earthy & Mineral Hematite: Differences
Hematite, an iron oxide mineral, is well-known for its striking metallic luster and deep red to black colorations. Appearing in various...
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Sylvia Rose
Aug 294 min read
How to Extract Red from Hematite: A Step-by-Step Guide
Hematite, an iron oxide mineral with the chemical formula Fe2O3, is prevalent around the world. Known for metallic luster and red earth...
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Sylvia Rose
Aug 293 min read
How to Make Hematite Pigment: A Step-by-Step Guide
Hematite, an iron ore with the chemical formula Fe2O3 (ferric oxide), is known for its metallic luster. In earthy form the stone offers a...
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Sylvia Rose
Aug 293 min read
Aqua Regia: The Green Lyon of Alchemy
Aqua regia, Latin for “royal water,” is a powerful acidic solution known to dissolve noble metals like gold and platinum. It's used in...
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Sylvia Rose
Aug 293 min read
How to Make Copperas Ferrous Sulfate: Process
Copperas, known chemically as ferrous sulfate (FeSO₄), has been a vital compound across various industries for centuries. Although...
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Sylvia Rose
Aug 293 min read
Caput Mortuum: Dead Head Purple Pigment
Caput mortuum (Latin "dead head") is a purple hematite iron oxide pigment, used in oil paints and dyes. Due to cultural significance of...
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Sylvia Rose
Aug 297 min read
Question of Alchemy in Ancient Rome
Alchemy, a fusion of science, philosophy and mysticism, emerges in practice from the 1st century AD. Among the power civilizations of...
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Sylvia Rose
Aug 274 min read
Venice Italy: Jewel of the Renaissance
Venice during the Renaissance emerges as a vibrant center of art, culture and commerce, influencing the broader European scope. The...
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Sylvia Rose
Aug 273 min read
Alchemy & Renaissance Glass: Antonio Neri
Antonio Neri is a Renaissance Florentine priest, well known for contributions to alchemy and glassmaking. As a youth Neri is drawn to the...
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Sylvia Rose
Aug 263 min read
Tricky Alchemy: Caput Mortuum Purple
Caput mortuum, Latin for as "dead head" is an ominous name for a valued color. As an iron oxide it's easy to make at home. As a purple...
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Sylvia Rose
Aug 253 min read
Alexandria & the Siege of Diocletian
Ancient Alexandria, jewel of Egypt, is renowned as a city of philosophy, medicine and alchemy. A crucial turning point happens 297 AD....
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Sylvia Rose
Aug 246 min read
Alchemy: Dyeing Stones to Look Like Gems
Although alchemy is often associated with gold-making, another essential skill of the alchemist is to color or dye stones like quartz...
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Sylvia Rose
Aug 246 min read
Herbal Remedies in Medieval Alchemy
Herbal remedies are ubiquitous in medieval alchemy, a practice combining elements of science, spirituality, and mysticism. Recipes are...
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Sylvia Rose
Aug 234 min read
Bernard Trevisan: Legends of Alchemy
Bernard Trevisan is a prototypical figure in alchemy, constructed by various alchemical writers of the medieval and Renaissance eras in...
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Sylvia Rose
Aug 214 min read
Urine in Medieval Alchemy & Medicine
In the medieval world, urine is a surprisingly versatile body fluid with a wide range of applications beyond the obvious disposal...
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Sylvia Rose
Aug 216 min read
Phosphorus, Uroscopy & Power of Pee
Urine has medical and practical applications though history. Renaissance alchemist Hennig Brand discovers phosphorus by boiling his...
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