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Sylvia Rose
Sep 9, 20246 min read
Isabella Cortese: Renaissance Writer, Alchemist, Entrepreneur
Lady Isabella Cortese is born in the 16th century into a wealthy family in Italy. In Venice, she transcends conventional norms to shine...
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Sylvia Rose
Sep 9, 20245 min read
Secrets of Renaissance Herbal Recipes
Renaissance herbal recipes focus on health and medicine, but can also include dyeing, coloring and pigment making. Botanical knowledge...
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Sylvia Rose
Sep 8, 20246 min read
Almadén Mines: Ancient Mercury Extraction
The Almadén Mines in central Spain have an infamous past driven by profit and greed. The deadly history of ancient Almadén revolves...
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Sylvia Rose
Sep 6, 20243 min read
Turmeric (Curcuma longa): Ancient Uses & Medicine
A vibrant golden spice, turmeric captivates kingdoms, heals the sick and rules the routes of the spice trade. The humble root has a long...
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Sylvia Rose
Sep 6, 20246 min read
Metal & Gemstone Dyeing in Alchemy
In alchemy, science and mysticism intertwine. Among the practical alchemical skills is dyeing of metals and gems. Alchemists from early...
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Sylvia Rose
Sep 4, 20245 min read
How to Make Venetian Red Artisan Pigment
Venetian Red, also called Mars Red, is a non-toxic iron oxide pigment used by dyers, painters and craftspersons since the early days of...
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Sylvia Rose
Sep 2, 20243 min read
Sulfur-Mercury Theory: Alchemical Philosophy
The Sulfur-Mercury theory, an ancient cornerstone of alchemical thought, exemplifies the duality inherent in alchemy. The relationship...
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Sylvia Rose
Sep 2, 20244 min read
Alchemy: Philosophers' Stone History & Lore
The Philosophers' Stone or lapis philosophorum is a miraculous legendary substance. It holds secrets to an elixir of life, a cure for...
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Sylvia Rose
Sep 1, 20243 min read
Science of Rust Earth Pigments & Colors
Rust is a complex chemical reaction from the interaction of iron, oxygen, and moisture. This common phenomenon produces striking colors...
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Sylvia Rose
Sep 1, 20243 min read
Goethite: The Other Iron-Rich Mineral
Goethite is common but like hematite a remarkable iron oxide mineral. In geology and mineralogy, goethite has piqued the interest of...
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Sylvia Rose
Sep 1, 20243 min read
Knowing the Three Primary Oxides of Iron
Iron is abundant in Earth's crust and one of the seven metals of antiquity . Essential for life, iron can form various oxides and change...
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Sylvia Rose
Sep 1, 20245 min read
How to Make Iron Oxide Pigment at Home
Make non-toxic iron oxide pigments for painting, dyes, glazes, artistic to industrial uses. Iron oxide (Fe2O3) or rust exists on Earth...
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Sylvia Rose
Aug 31, 20244 min read
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 31, 20245 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 30, 20244 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 30, 20244 min read
Hematite: Iron Oxide Red Earth Pigment
"Hematite" comes from the ancient Greek for blood. The stone creates red dust when cut and polished. The red color isn't always visible...
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Sylvia Rose
Aug 29, 20244 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 29, 20243 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 29, 20243 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 29, 20243 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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