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.
The Town of Windsor is a Home Rule Municipality in Larimer and Weld counties in the U.S. state of Colorado. According to the 2010 Census, the population of the town was 18,644. Windsor is located in the region known as Northern Colorado. Windsor is situated 59 miles (95 km) north of the Colorado State Capitol in Denver.