Aluminum oxide (Al₂O₃), also known as alumina, is a fundamental compound in Earth's geology and a cornerstone of modern industry. Its presence is deeply woven into the fabric of our planet, from the crust beneath our feet to the gemstones adorning jewelry. Understanding where aluminum oxide is found not only reveals the origins of many everyday materials but also provides insight into the processes that shape our world and drive global industries. This comprehensive article explores the natural and industrial sources of aluminum oxide, its occurrence in minerals and ores, its role in the environment, and its significance in human technology. Read More