Silicon

Silicon is a resource.

Source
Silicon is mined by placing an Elemental Quarry on tiles with Silicon Deposits or by placing a Basalt Platform on a basalt lake tile.
 * Trace Deposit: +0.25/Silicon a second
 * Low Deposit: +1.0/Silicon a second
 * Medium Deposit: +1.5/Silicon a second
 * High Deposit: +2.0/Silicon a second
 * Very-High Deposit: +2.5/Silicon a second. Only on Io

Uses
Silicon has several uses:
 * Used by Glass Kilns to produce Glass.
 * Used by Electronics Factories to produce Electronics.
 * A building material for Solar Panels.

Silicon is also used by the Nomadic HQ to upgrade and as the primary construction material instead of steel, and by the Elite HQ to upgrade instead of Aluminum.