Crystal (disambiguation)

Many things have been named after crystals in Transformers, such as:
 * Crystal City, the name of a city on Cybertron.

In addition, many types of crystal and where to find them have been involved in Transformers fiction...
 * The Crystal of Power, a large, mystical object of ancient significance located in Incan ruins.
 * Death crystal, another incredibly hard material
 * Death crystal cannons, which use them for ammunition.
 * Energon crystals, a powerful raw form of energon with the drawback that they are also extremely unstable.
 * Energy crystals, a powerful raw source of energy with the drawback that they are also extremely unstable.
 * Korlonium crystal, humming, high energy, light-emitting minerals.
 * Lead sulfide crystals, a Cybertronian food product.
 * Ruby crystals, powerful sources of energy
 * The Ruby crystal mines of Burma, where ruby crystals can be mined

Crystals should not be confused with:
 * Crystallium, another planet.
 * Crystalocution, a martial art.