This "thing" is use for synthing. Most people make Reraise Hairpins, Reraise Gorgets, and Reraise Earings using these light anima (with lightning and water animas) (directly or indirectly)
In the meanwhile, I tried to craft this with Alchemy58 as an experiment and was unable to due to my level being too low,orz. It must be a lvl70+ recipe.