Speak with a Historiographer in Paineel, Pleni Mas'arc, at ( 1850, -298, 3446 ) Copy/waypoint 1850, -298, 3446.
I must search within Dartain's Fortress within The Hole: Spirit's Resonance ( 1852, -372, 3452 ) Copy/waypoint 1852, -372, 3452 for any artifacts that might have belonged to Dartain.
One crystal is in the observatory in the pit beneath the telescope ( 557, 121, -49 ) Copy/waypoint 557, 121, -49
One crystal is in the garden area on the ground ( 728, 124, -204 ) Copy/waypoint 728, 124, -204 Though I don't find it there...
One crystal is in the fire area in SW corner ( 608, 87, -118 ) Copy/waypoint 608, 87, -118 (or it can be a book to the right of the room in last name room)
One crystal can be found in the pool room by the door. ( 594, 128, -339 ) Copy/waypoint 594, 128, -339
A book can be found at either ( 536, 132, -235 ) Copy/waypoint 536, 132, -235