These are rectangular ammolite earrings. They are sterling silver with a heavy gold plating. It measures 7mm wide and 13mm tall, including the bail. Each pair of earrings are handmade, and none are exactly alike.

Ammolite is a rare, iridescent organic gemstone formed from the 70-million-year-old fossilized shells of ammonites. This gemstone is known for its vibrant, opal-like color flashes and for its uniqueness. The rare fossilized shells can be found in Alaska.