The element of Spirit does not have the same arrangements of correspondences as the physical elements since Spirit is not physical. The element of spirit goes by several names. The most common are spirit, ether or aether, and quintessence, which is Latin for "fifth element." Spirit is a bridge between the physical and the spiritual, between body and soul.
If you haven't heard of Iris van Herpen, you should look her up just for fun. She's a brilliant Dutch fashion designer. Her designs incorporate so many unique elements. She works with CERN and the Hadron Collider. Her creations are goddess worthy.