Sylvia Rose
Calcite: Metal-Eating Bacteria to Coral Reefs
Calcite is made up of calcium carbonate (CaCO3). With stunning crystal formations and a range of beautiful colors, calcite also has...
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Sylvia Rose
3 days ago6 min read
Galen: Medical Methods of Ancient Physicians
Galen of Pergamon (c. 129 - 216 AD) is well known in the history of medicine. His extensive writings and theories prevail for over 2000...
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Sylvia Rose
5 days ago7 min read
Mercury II Oxide: Red & White of Alchemy
In practical alchemy, mercury II oxide (HgO) is often called the "Red Precipitate," with its compound Mercuric Amidochloride (Hg(NH2)Cl),...
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Sylvia Rose
Nov 155 min read
Liver of Sulfur: Alchemy, Metal & Medicine
Liver of Sulfur is a unique compound of alchemy, metallurgy and medicine. Also known as hepar sulfuris or sulfurated potash, Liver of...
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Sylvia Rose
Nov 157 min read
How to Cultivate Green Algae for Science & Health
Green algae are simple life forms with amazing impact on the environments of Earth. Algae can be grown at home for microscopy, biology...
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Sylvia Rose
Nov 115 min read
Chalcopyrite (CuFeS₂): Shining Copper Ore
Chalcopyrite (CuFeS₂) is vital to the earth's geology. A primary ore of copper, this scintillating mineral is influential to health,...
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Sylvia Rose
Nov 116 min read
Copper (Cu) Effects on Human & Plant Health
Copper (Cu) and its warm golden red hue is part of humanity. It's one of the most important metals of alchemy , aids plant health and is...
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Sylvia Rose
Nov 93 min read
Iodine (I): Origin, Properties, Uses & Facts
Iodine (I) is an essential element in biology, industry, science and health. It's known for its intense violet gas and strong odor....
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Sylvia Rose
Nov 95 min read
Scheele's Green: History's Most Toxic Pigment
Scheele's Green is a rich, vibrant green. Its color appeal surpasses that of the copper carbonate paints of the late 18th century and...
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Sylvia Rose
Nov 85 min read
Carl Wilhelm Scheele: Poisonous Chemistry
Carl Wilhelm Scheele (1742 - 1786) is a self-taught German-Swedish chemist whose work has strong impact on chemical sciences of the day....
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Sylvia Rose
Nov 75 min read
Copper(II) Sulfate: Blue Vitriol, Chalcanthite
Copper (II) sulfate CuSO4 yields a vivid color and widespread applications. Also known as blue vitriol in alchemy and chalcanthite in...
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Sylvia Rose
Nov 35 min read
Iron(III) Oxide: Creation, Art & Science
Iron(III) oxide or ferric oxide (Fe2O3) yields a striking red color as a pigment, and has a wide range of uses. From industrial...
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Sylvia Rose
Nov 36 min read
Colorful World of Bacteria - Color Producers
Bacteria affect food, water, soil, human health and the vibrant colors of art. Here are six remarkable bacteria known for stunning...
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Sylvia Rose
Nov 25 min read
Metal Salts: Ancient History to Modern DIY
Metal salts are compounds created from metals and acids. In history and today they enjoy uses in beauty, natural health, chemical...
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Sylvia Rose
Nov 15 min read
Silverpoint Drawing: Art of the Renaissance
Silverpoint is a drawing medium with distinct artistic potential. This delicate and precise medium has a rich history, unique properties,...
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Sylvia Rose
Nov 18 min read
11 Favorite Drawing Mediums of Artists
Drawing is a creative expression for humans since cave paintings of prehistory. In art, anything making a mark is a drawing tool....
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Sylvia Rose
Nov 14 min read
Sanguine: Red Chalk of Renaissance Masters
Sanguine is a rich, reddish-brown chalk beloved by Renaissance artists such as Michelangelo. Creating flesh-like tones in the human form...
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Sylvia Rose
Oct 313 min read
Mosaic Gold: Alchemy of a Forgotten Art
Mosaic gold is also known to alchemists as aurum musivum or aurum mosaicum due to its mottled formation. Forgotten in the data fields...
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Sylvia Rose
Oct 306 min read
Science of Alchemy: Alchemical Innovations
Alchemy these days is often seen only as a mystical practice purveying the clic hé of turning base metals into gold. Alchemy is in fact...
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Sylvia Rose
Oct 287 min read
12 Steps to the Magnum Opus: Ripley Scroll
Alchemy seeks the magnum opus or great work. This twelve step program comes from the anonymous Ripley Scroll, so called as alchemist...
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