silica mineral: Media
Videos
Learn about the development and applications of glass paint, which is made of silica...
Video: © American Chemical Society (A Britannica Publishing Partner)
Images
Smoky quartz from St. Gotthard, Switz.
Courtesy of the Field Museum of Natural History, Chicago, photograph, John H. Gerard/Encyclopædia Britannica, Inc.
Amethyst geode from Nova Scotia, Can.
Emil Javorsky/Encyclopædia Britannica, Inc.
Quartz agates from Mexico.
Courtesy of Joseph and Helen Guetterman collection; photograph John H. Gerard/Encyclopædia Britannica, Inc.
Rutilated quartz from Madagascar.
Courtesy of the Field Museum of Natural History, Chicago, photograph, John H. Gerard/Encyclopædia Britannica, Inc.
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