From The Stargate Omnipedia
A variant of the element naquadah
, the mineral of which the Stargate
and much Goa'uld
technology is made. Liquid naquadah is used in very small quantities to power Jaffa staff weapons
, and presumably other forms of Goa'uld weaponry.
The Fifth Race - Under the influence of the Ancients' library downloaded into his brain, Jack uses the liquid naquadah cell from Teal'c's staff weapon in his construction of a power device, allowing the Stargate to send him to another galaxy.
Absolute Power - In a terrifying dream sequence, Daniel sees liquid naquadah as a key component in an orbital defense platform using Goa'uld technology.