Silica is used in a huge number of different applications. Surprisingly, silica has applications in many industries including in drug and medicine creation and as a food supplement. Moreover, Silica sand Canada is also widely used in frac sand, including in hydraulic fracturing proppants. Silica can also be used for golf course sand and many other applications. It is most commonly found in the form of silicon dioxide (quartz) and is commonly derived from the earth’s crust.