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.
Windsor is a city in Henry and Pettis Counties, Missouri. The population was 3,087 at the 2000 census. The United States Postal Service ZIP code is 65360. Windsor has eight churches, one bar, an elementary school, and a junior and senior high school (Mascot: Greyhound). There is a large Amish population who live around the town.