Enigmatic Artifact Fragment

 is a Grade 8 artifact fragment crafting material.

Source
is collected from various gathering nodes which require 450 in Archaeology.
 * Collected From
 * Ruusan Crystal Formation
 * Anomalous Red Crystal Formation
 * Anomalous Blue Crystal Formation
 * Anomalous Green Crystal Formation

is a reward of the gathering crew skill Archaeology. It can be gathered through Level 8 Archaeology Fragment Missions. There is also a chance to obtain s from reverse engineering some appropriate level gear.