Sylvia RoseSep 293 min readNatural Iron Oxide Pigments: Extraction, Types & ColorsIron oxides create beautiful pigments in colors from warm yellow and orange to deep reds, brown, black and even green. Besides industry...
Sylvia RoseSep 253 min readOil of Philosophers: Alchemy Health & BeautyOil of Brick is known as Oil of Philosophers by alchemists and Oleum de Lateribus (Oil on the Sides) by apothecaries. This medicinal and...