this is for 2 quests... the Your Crystal Ball quest from the taru gipsy or w/e u call em in Lower Jeuno above the AH
and the quest from Windhurst Waters ontop of the building w/ the Telescope tarus >< cant remeber the quest name but its in alla somewhere...
u get the divination sphere from trading an ahrimen lens to the Rockwell in Maze of Shakrami, the rockwell is not far into the maze, next to the attowha chasm zone