Sylvia RoseSep 86 minAlmadén Mines: Ancient Mercury ExtractionThe Almadén Mines in central Spain have an infamous past driven by profit and greed. The deadly history of ancient Almadén revolves...
Sylvia RoseSep 24 minAlchemy: Philosophers' Stone History & LoreThe Philosophers' Stone or lapis philosophorum is a miraculous legendary substance. It holds secrets to an elixir of life, a cure for...
Sylvia RoseAug 314 minHow 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...
Sylvia RoseAug 304 minEarthy & Mineral Hematite: DifferencesHematite, an iron oxide mineral, is well-known for its striking metallic luster and deep red to black colorations. Appearing in various...
Sylvia RoseAug 304 minHematite: 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...
Sylvia RoseJul 263 minAlkanet: Ancient Dye Magic & MedicineAlkanet (Alkanna tinctoria) is a plant related to borage, also a popular medicinal herb. Alkanet is used in folk magic, alchemy, natural...