Approved Grade 4 Skybuilders' Ore

Purchase: No

Sells: 1 Gil (NQ) [Market Permited]

Only a true skybuilder could look at a nondescript lump of grey, slightly metallic rock and say, "Yes, this is definitely grade 4 skybuilders' ore," though it could be argued that this is because they are the ones who named it to begin with.
Used in level 40 crafting recipes.
Crafting Material