The chemical compound silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with a chemical formula of SiO2 and has been known for its hardness since antiquity. Silica is most commonly found in nature as sand or quartz, as well as in the cell walls of diatoms. It is a principal component of most types of glass and substances such as concrete. Silica is the most abundant mineral in the Earth's crust.
This text uses material from Wikipedia, licensed under CC BY-SA
Sorry, no news articles match your request
About
Phys.org™ is a leading web-based science, research and technology news service which covers a full range of topics.
Phys.org is a part of Science X network. With a global reach of over 10 million monthly readers and featuring dedicated websites for science (Phys.org), technology (Tech Xplore) and medical research (Medical Xpress), the Science X network is one of the largest online communities for science-minded people.
Read moreIdentify the news topics you want to see and prioritize an order.
Science never stops. Get notified about trending stories.