I really wasn’t kidding when I said I can lose as much time to staring at fluorite as I can to looking at opal, and here’s a fantastic example - every single photo here shows the exact same pair of beads, just from different angles. 

(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.)