Most of my everything .. has Marcasite. This is "Okay" I almost returned, but for the price, I kept it. It does not sparkle like "Marcasite" does. Very dull shine .. but again, for the price ... it's okay. I wouldn't wear on special occasion but more "Everyday" wear.
I purchased these earrings because the ones in department stars that were similar were too expensive. These are beautiful. They are good quality and sprakle beautifully. I have worn them twice and got compliments both times. Once again, delivery was great and timely.