This shard can be found inside dungeon Rkhardarhrk in central Craglorn.
You can approach and enter the dungeon from south. There is a small pond outside Rkhardarhrk and a couple of stone pillars to make the approach more unique. Shard is in the northern part of the cave, just before the entrance with two huge stone pillars that have two gas panels.
Find and enter Rkhardarhrk.
Rkhardarhrk Entrance Map Location.
Shard spotted in northern part of the cave.
Rkhardarhrk Shard Map Location.