The Element is vital to vegetation, but its application in animal cells is Uncertain. However it is itself not poisonous or dangerous, some silicates like asbestos are carcinogenic. A lot of silicon dioxide is used in the production of bricks and glass. Silica gel, a colloidal form of silicon dioxide, https://glass-line-pipe27148.hazeronwiki.com/7970068/getting_my_carborundum_uses_to_work