From Wikipedia, the free encyclopedia. The chemical compound silicon dioxide, also known as silica, is the oxide of silicon, chemical formula SiO2.It is found in nature in several forms, including quartz and opal. In fact, silica has 17 crystalline forms.he chemical compound silicon dioxide, also known as silica, is the oxide of silicon, chemical formula SiO2.
Windsor is home to 217,188 people, according to the 2016 census. Windsor's population has grown by three per cent in the past five years, but the city still fell behind the national growth rate, according to data collected during the 2016 census.
(Redirected from Windsor (town), Wisconsin) Windsor is a village and former town in Dane County, Wisconsin, United States. The population was 5,286 at the 2000 census. The communities of Lake Windsor, Morrisonville, and Token Creek are located within the village. Windsor voted to incorporate as a village on November 3, 2015; prior to its incorporation, it was a town, and a portion of the town was a census-designated place.