Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula SiO2, and is commonly found in nature as quartz. In many parts of the world, silica is the major constituent of
Manufactured fumed silica with maximum surface area of 380 m2/g
Bundle of optical fibres composed of high purity silica
Quartz sand (silica) as main raw material for commercial glass production
Zeolites are a group of several microporous, crystalline aluminosilicate minerals commonly used as commercial adsorbents and catalysts. They mainly consist of silicon, aluminium, and oxygen, and have
Natrolite needles from Hohentwiel (Typelocality)
Zeolite exhibited in the Estonian Museum of Natural History