Talasite

Talasite is a rare quality gem used in Jewelcrafting and Engineering, the gems fit both and  sockets.

Source
This gem is mined from Fel Iron, Adamantite, Rich Adamantite and Khorium deposits. It is also a world drop.

Talasite as an ingredient
Talasite is used in the following recipes:

Jewelcrafting

 * Gems:
 * Gems:
 * Gems: