Cataclysm engineering gems

Cataclysm Engineering gems are specific to. This is a listing of all meta Cataclysm gems by color.

Engineering gems, also called Cogwheels, are specific to Engineering, require Engineering level 525, and can only fit into a Cogwheel socket (found in Engineering specific helms).

They are sold by:
 * in the Dwarven District, Stormwind
 * in Highbank, Twilight Highlands
 * in The Valley of Honor, Orgrimmar
 * in Dragonmaw Port, Twilight Highlands