How do you get silicon out of earths crust?

Answer 1

Silicon is a mixture of the minerals of the earths crust. so.... silicon isn't something from the earths crust.

-thanks for your question.

Answer 2

Silicon is typically extracted from silica, which is found in the Earth's crust as quartz. The most common method to extract silicon involves heating silica with carbon in an electric arc furnace to produce silicon and carbon monoxide gas. This process is known as the carbothermic reduction of silica.