Vekh'nir Crystal

Source
This item drops from the following Arakkoa in Blade's Edge Mountains:
 * Vekh'nir Stormcaller
 * Vekh'nir Keeneye
 * Vekh'nir Dreadhawk
 * Vekh'nir Matriarch

As a quest objective
This item is an objective of The Stones of Vekh'nir.