Sylvia Rose
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...
top of page
Sylvia Rose
Sep 283 min read
Litharge: Toxic Lead Mineral of Science & Art
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...
5 views
Sylvia Rose
Sep 86 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...
21 views
Sylvia Rose
Sep 24 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...
51 views
Sylvia Rose
Aug 314 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...
21 views
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...
15 views
Sylvia Rose
Aug 304 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...
20 views
Sylvia Rose
Jul 263 min read
Alkanet: Ancient Dye Magic & Medicine
Alkanet (Alkanna tinctoria) is a plant related to borage, also a popular medicinal herb. Alkanet is used in folk magic, alchemy, natural...
23 views
bottom of page