Copper, a ubiquitous metal known for its reddish-orange hue, possesses a remarkable quality that often goes unnoticed – its ability to turn green. When exposed to various environmental factors over time, copper undergoes a chemical reaction known as oxidation, resulting in the formation of a greenish patina on its surface. This distinctive transformation has captivated the attention of artists, architects, and scientists throughout history, leading to the emergence of what we commonly refer to as „green copper.“ The green coloration of copper is primarily attributed to the formation of copper carbonate and copper hydroxide compounds on its surface. Mehr lesen