Glowing Gem

Source
This item drops from:
 * Tendril from Below in Ashenvale
 * Harbinger Aphotic in Ashenvale

This item is provided for:
 * Dryad Delivery
 * To Raene Wolfrunner

As a quest objective
This item is an objective for the following quests:
 * The Lost Gem
 * Dryad Delivery
 * To Raene Wolfrunner