Shadeslate Crystal

Shadeslate Crystal is a crystal tradeskill material and is used by architects, armorers, and weaponsmiths.

Source
Shadeslate Crystal is obtained through salvaging and the mining tradeskill and can be found in Farside, Malgrave, and Wilderrun. This crystal can also be obtained from a Tier 3 Mineral Deposit.

Schematics
Shadeslate Crystal is used in the following schematics: