Silicon dioxide

Silicon dioxide, commonly known as silica, is a natural compound made of silicon and oxygen. It occurs in various forms, including quartz, which is found in many types of rocks and sands. Silica is widely used in different industries; for instance, it's a key ingredient in glass production, ceramics, and construction materials like concrete. In nature, it's often found in the form of grains in sand or as a major component of soil. Its properties make it essential for various applications, and it plays a vital role in both the environment and technological advancements.