These beads delight me in their slightly eye-searing colors, and they remind me a bit of maps, or perhaps satellite images. Four pairs available; the beads are all very similar but the exact patterns will be different from pair to pair. 

(I use sterling silver french hooks by default, but I also stock titanium and surgical steel french hooks, high-quality silver-plated leverback findings, and two kinds of clip-on earring thingies, and you can upgrade to any of those right over here.)