Here's a necklace made with Fool's Gold(aka pyrite) oval beads and real gold-filled wire, finished with a vermeil s-clasp. (I thought the beads were too heavy for earrings, but I do have pyrite earrings here.)
The ovals measure 18x13mm. The necklace is about 22.5 inches long, and weighs 2.7 oz.
Price: $42 (shipping is free)