The Nirn stones are expensive. The only way your going to get anyone to make one for you is to provide the stone yourself.
Also, I recommend a nice tip on top of that or that person may not be as willing to make a Nirn re-searchable for you again.
And, don't fret too much about not getting the Craglorn Drop, you only get one, at the end of the Main Quest for the zone, and its a random item. For example, the one I got was a Heavy Armor Chest piece.
Enjoy the game, life is what you really want to be worried about.
PakKat "Everything was going well, until I died"
Gary Gravestink "I am glad you died, I needed the help"
Potent Nirncrux is required to make a staff, and that's hard to come by. It will take quite a bit of farming in Craglorn, but you should be able to find at least one piece of Potent Nirn in a few hours, perhaps sooner. Just go farm every Void Bloom, Void Ore, and Nightwood node you can find. It looks like you have a VR8 High Elf sorc so you should be able to handle most of the mobs, or just avoid them completely. When you do find some Nirn, let me know and I will be happy to make a piece for you to research.
You can buy one from a guild trader, that is what I did... I don't believe that anyone will generously gift you one for free, but it is possible to just buy them without doing the quest.