What is Alum? Origins, Production & Use
Alum has a multi-toned nature. Alum denotes a group of chemical compounds characterized by double sulfate salts. Alums are used across...
What is Alum? Origins, Production & Use
Aluminum(III) Oxide: Secrets of Precious Gemstones
Making Sapphire & other Precious Gemstones
Indigo: Extract Dye from Indigofera Tinctoria
Mordants - Essential Ancient Dye Techniques
Earth of Chios: Ancient Alchemy, Cosmetics, & Medicine
10 Alchemical Metals - Ancient Metals of Alchemy
Diplosis: Gold Doubling & Multiplication in Alchemy
Zinc (Zn): Essential Metal in Alchemy & Medicine
Galls & Gall Nuts: Black Ink, Dye, Medicine
Almadén Mines: Ancient Mercury Extraction
Turmeric (Curcuma longa): Ancient Uses & Medicine
Ancient Traders & Buyers: Art of Testing Metals