If you love Ammonites, this is for you! So unique, each of these small Ammonites is handset into .925 Sterling Silver! Various sized Ammonites create such a unique, one of a kind necklace! For those who don't know, an Ammonite is actually a fossil. It belongs to the celaphod group, and these creatures lived in the seas between 240 - 65 million years ago, when they became extinct along with the dinosaurs. How beautiful and unique! This looks great with jeans or dress it up! Necklace is 18" in length, with a chain in the back so you can adjust it shorter if you wish. Lobster claw clasp. Matching bracelet and earrings to this piece are available. You will receive many compliments on this piece.