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.
Homefacts City Report. Windsor is located in Berkshire County, MA. The population is NR. There are 0 public schools in Windsor with an average Homefacts rating of NA. The total crime rate for Windsor is very low, and there are 1 registered sex offenders residing in the city. Unemployment in Windsor is moderate and the median home sales price is $0.