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Silicon is the eighth most common element in the universe by mass, but very rarely occurs as the pure element in the Earth's crust. It is most widely distributed in dusts, sands, planetoids, and planets as various forms of silicon dioxide (silica) or silicates.
Making the world better, one answer at a time. silicon is a metalloid meanind it is both metal and nonmetal. it is the secon most abundant element on earth which takes up 27.7% of the Earths crust. it cannot be found in pure form.