silica

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Why some volcanic eruptions are more explosive than others

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Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

All 119 References in “We Didn’t Start the Fire,” Explained

Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar

Ten Days That Vanished: The Switch to the Gregorian Calendar

The Jeff Koons tulips sculputure outside the Guggenheim Museums in Bilbao, Spain, Basque Country.

What’s the Difference Between Modern and Contemporary Art?

Town of Sisimiut located on the coast of the Davis Strait on Kangerluarsunnguaq Bay, Greenland

The Largest Islands in the World

Shadow of a man holding large knife in his hand inside of some dark, spooky buiding

7 of History's Most Notorious Serial Killers

United States Electoral College votes by state

How Many Electoral College Votes Does Each U.S. State Have?

Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.

12 Greek Gods and Goddesses

silica: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	silicon dioxide

Photos and Videos

Why some volcanic eruptions are more explosive than others

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Topics

tabashir silicosis silica mineral silica gel alumina zirconia silica keatite phytolith oxide vanadic anhydride zirconia water alumina sulfur oxide titanium dioxide oxide mineral sulfoxide peroxide quicklime

Key People

Jean-Charles Galissard de Marignac

Swiss chemist