Yes, a tutu can be made using organza. Organza is more durable, glossy an creates a tutu with more structured when compared to tulle. When designers want fashion forward tutus with more structure specially the dance costumes and wedding attire, organza is used.
All in all, organza is a bit stiffer and less flexible than tulle, so more layering and stitching is can be needed for more comfort and volume.