Warehouse Keeper Norman:
First of all we need some Gray Bone Powder to use as the abrasive. You can get it from undead monsters such as ghouls or strains. I heard that there are plenty in the execution place of Dion.
And I also need a Granite Whetstone which is for processing the surface of the jewel... It would be best if you can find a piece of granite golem!
Other necessary things would be... The Red Pigment! Which you can get from the dead seeker bat in the Execution Ground. Last, we need some Braided Yarn. That you can get by hunting the silenos in Giran...
Did you memorize everything? Don't forget it this time.