Silicon dioxide, or silica, is a chemical compound that is the main component of sand, glass and quartz. By processing sand at high temperatures, glass is formed. Sand, and therefore glass, may also contain other mineral... More »

The chemical formula for silicon dioxide, also called silica, is SiO2. Silicon and oxygen are two of the most abundant elements in the Earth's crust, with silica composing 59 percent. When exposed to oxygen, silicon surf... More »

The solubility of silicon dioxide, SiO2, in water depends on a number of different factors, including pressure, temperature and the structure of its surface. Generally speaking, silicon dioxide is virtually insoluble in ... More »

Silicon dioxide, or SiO2, is commonly known as sand or quartz. It exists naturally in Earth's crust. It also exists in the biology of plants, animals and water. More »

Silicon dioxide, the primary component in sand, forms in large crystalline structures, which are held together by covalent bonds. These bonds require more energy to break than the polarity of water is able to supply. Whi... More »

The melting point of sand, which consists mainly of silicon dioxide or silica, is approximately 2930 degrees Fahrenheit. Its boiling point is 4046 F. More »

When lightning strikes a sandy beach high in quartz or silica, it can fuse the sand into silica glass. The resultant tube of glass covered in sand is called a fulgurite. Fulgurites can have many branches or be a simple t... More » Science Weather & Tides Storms