Average Cost of Silicon in 2011

Silicon is not one of the expensive elements and you can find it freely. It is one of the substances having a very low reactivity rate. In 2011, it is being sold at $0.5 per gram. It is also available in two other forms called silica and silicates. The quantity of this element on this planet is very high and it is rated second after oxygen in terms of availability. Another form of this substance is called carbon.