Gorilla Glass is a type of glass, not a weapon. This glass was founded by Corning, a U.S glass production company. It is a commercial glass and I think they won't reveal their composition they used to make this glass. But in Wikipedia it is mentioned as alkali-aluminosilicate.
Mobile phones or electronic products using this glass have dust resistance, water resistance and scratch resistance. This glass is very thin and lighter, makes this glass very advantage.
Mobile phone using this glass:
Below are some of the popular mobile phones using this glass.
HTC One X
Nokia Lumia 920
Dell XPS 12
Sony KDL-46NX720 smart TV
Above are few example from popular consumer electronics manufacturers. There are about 1 billion products using this Gorilla Glass technology.