Sterling Silver Oval Tanzanite Earrings

925 stamp visible, however the stone looks like Blue Cubic Zirconia or Crystal, or what people often refer to as: "Lab Created Blue Topaz". I ordered Tanzanite Earrings and while what I received are Pretty, I don't have a use or need for them as if I wanted the aesthetic of these, that is what I would've ordered. I already have a ton of Genuine Blue Topaz, as well as Blue Crystal and Zirconia. I wish I knew if these were Bait and Switched in the mail or if I was just sent the wrong items by the seller. Will be returning direct to an undisclosed Nordstrom store so that if someone was inconveniencing me by prompting a return by intentionally sending me the absolute Wrong item, they don't have a chance to intercept this, keep or steal it. Wish and/or hope for the seller to contact me directly to rectify. I also took a video of me unpackaging them for the first time because I seem to have a huge mail issue. Welp, at least people now know I'm Not colorblind :).